From 3e8e8cef8e30a03241d61d3938458aa8744826df Mon Sep 17 00:00:00 2001
From: Florent Daigniere <nextgens@freenetproject.org>
Date: Mon, 24 Jun 2024 09:22:19 +0200
Subject: [PATCH] Update network graph

---
 docs/mailu-network-diagram.ipynb | 601 ++++++++++++++++++-------------
 1 file changed, 349 insertions(+), 252 deletions(-)

diff --git a/docs/mailu-network-diagram.ipynb b/docs/mailu-network-diagram.ipynb
index 7b4336a5..6d2a87d8 100644
--- a/docs/mailu-network-diagram.ipynb
+++ b/docs/mailu-network-diagram.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {
@@ -14,378 +14,461 @@
        "<!-- Generated by graphviz version 2.43.0 (0)\n",
        " -->\n",
        "<!-- Title: mailu Pages: 1 -->\n",
-       "<svg width=\"706pt\" height=\"553pt\"\n",
-       " viewBox=\"0.00 0.00 706.00 553.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
-       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 549)\">\n",
+       "<svg width=\"727pt\" height=\"634pt\"\n",
+       " viewBox=\"0.00 0.00 727.00 634.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
+       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 630)\">\n",
        "<title>mailu</title>\n",
-       "<polygon fill=\"white\" stroke=\"transparent\" points=\"-4,4 -4,-549 702,-549 702,4 -4,4\"/>\n",
-       "<text text-anchor=\"middle\" x=\"349\" y=\"-7.8\" font-family=\"arial\" font-size=\"14.00\">Mailu</text>\n",
+       "<polygon fill=\"white\" stroke=\"transparent\" points=\"-4,4 -4,-630 723,-630 723,4 -4,4\"/>\n",
+       "<text text-anchor=\"middle\" x=\"359.5\" y=\"-7.8\" font-family=\"arial\" font-size=\"14.00\">Mailu</text>\n",
        "<!-- internet -->\n",
        "<g id=\"node1\" class=\"node\">\n",
        "<title>internet</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"297,-545 243,-545 243,-509 297,-509 297,-545\"/>\n",
-       "<text text-anchor=\"middle\" x=\"270\" y=\"-525.1\" font-family=\"arial\" font-size=\"8.00\">Internet</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"310,-626 256,-626 256,-590 310,-590 310,-626\"/>\n",
+       "<text text-anchor=\"middle\" x=\"283\" y=\"-606.1\" font-family=\"arial\" font-size=\"8.00\">Internet</text>\n",
+       "</g>\n",
+       "<!-- proxy -->\n",
+       "<g id=\"node2\" class=\"node\">\n",
+       "<title>proxy</title>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"317,-545 249,-545 249,-509 317,-509 317,-545\"/>\n",
+       "<text text-anchor=\"middle\" x=\"283\" y=\"-525.1\" font-family=\"arial\" font-size=\"8.00\">Optional proxy</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge1\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M255.93,-602.99C193.94,-593.79 47,-572 47,-572 47,-572 47,-563 47,-563 47,-563 170.57,-544.67 238.88,-534.54\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"239.56,-537.98 248.94,-533.05 238.53,-531.06 239.56,-537.98\"/>\n",
+       "<text text-anchor=\"middle\" x=\"60.5\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">25/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge2\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M255.95,-601.91C204.37,-592.2 97,-572 97,-572 97,-572 97,-563 97,-563 97,-563 184.02,-546.63 239.02,-536.28\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"110.5\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">80/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge3\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M255.81,-600C216.12,-589.79 147,-572 147,-572 147,-572 147,-563 147,-563 147,-563 199.17,-549.57 238.89,-539.35\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"163\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">443/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge4\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M255.58,-595.15C232.08,-585 202,-572 202,-572 202,-572 202,-563 202,-563 202,-563 220.15,-555.16 239.26,-546.9\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"218\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">465/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge5\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M270.3,-589.91C263.7,-581.03 257,-572 257,-572 257,-572 257,-563 257,-563 257,-563 260.17,-558.73 264.29,-553.18\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"273\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">587/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge6\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M285.93,-589.91C287.45,-581.03 289,-572 289,-572 289,-572 289,-563 289,-563 289,-563 288.43,-559.65 287.63,-555.02\"/>\n",
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+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge7\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M303.51,-589.91C314.17,-581.03 325,-572 325,-572 325,-572 325,-563 325,-563 325,-563 318.91,-557.92 311.36,-551.64\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"341\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">995/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge8\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M310.28,-594.76C332.77,-584.67 361,-572 361,-572 361,-572 361,-563 361,-563 361,-563 344.56,-555.62 326.78,-547.65\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"377\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">143/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge9\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M310.02,-598.71C343.73,-588.36 397,-572 397,-572 397,-572 397,-563 397,-563 397,-563 359.04,-551.35 326.93,-541.49\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"413\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">993/tcp</text>\n",
+       "</g>\n",
+       "<!-- internet&#45;&gt;proxy -->\n",
+       "<g id=\"edge10\" class=\"edge\">\n",
+       "<title>internet&#45;&gt;proxy</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M310.16,-600.66C353.39,-590.58 433,-572 433,-572 433,-572 433,-563 433,-563 433,-563 371.28,-548.6 327.02,-538.27\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"451.5\" y=\"-565.6\" font-family=\"Times,serif\" font-size=\"8.00\">4190/tcp</text>\n",
        "</g>\n",
        "<!-- front -->\n",
-       "<g id=\"node2\" class=\"node\">\n",
+       "<g id=\"node3\" class=\"node\">\n",
        "<title>front</title>\n",
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        "</g>\n",
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-       "<title>internet&#45;&gt;front</title>\n",
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-       "<!-- internet&#45;&gt;front -->\n",
-       "<g id=\"edge2\" class=\"edge\">\n",
-       "<title>internet&#45;&gt;front</title>\n",
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-       "</g>\n",
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-       "<g id=\"edge3\" class=\"edge\">\n",
-       "<title>internet&#45;&gt;front</title>\n",
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-       "<title>internet&#45;&gt;front</title>\n",
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-       "</g>\n",
-       "<!-- front&#45;&gt;front -->\n",
+       "<!-- proxy&#45;&gt;front -->\n",
        "<g id=\"edge11\" class=\"edge\">\n",
-       "<title>front&#45;&gt;front</title>\n",
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+       "<title>proxy&#45;&gt;front</title>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge12\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M271.28,-508.91C265.19,-500.03 259,-491 259,-491 259,-491 259,-482 259,-482 259,-482 272.31,-474.72 286.8,-466.8\"/>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge13\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge14\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge15\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge16\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "<text text-anchor=\"middle\" x=\"428\" y=\"-484.6\" font-family=\"Times,serif\" font-size=\"8.00\">110/tcp</text>\n",
+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge17\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge18\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
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+       "<text text-anchor=\"middle\" x=\"55\" y=\"-484.6\" font-family=\"Times,serif\" font-size=\"8.00\">143/tcp</text>\n",
+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge19\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M248.77,-519.66C194.31,-509.58 94,-491 94,-491 94,-491 94,-482 94,-482 94,-482 220.68,-462.64 285.6,-452.72\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"286.48,-456.12 295.83,-451.15 285.42,-449.2 286.48,-456.12\"/>\n",
+       "<text text-anchor=\"middle\" x=\"110\" y=\"-484.6\" font-family=\"Times,serif\" font-size=\"8.00\">993/tcp</text>\n",
+       "</g>\n",
+       "<!-- proxy&#45;&gt;front -->\n",
+       "<g id=\"edge20\" class=\"edge\">\n",
+       "<title>proxy&#45;&gt;front</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M248.81,-515.59C214.91,-505.28 168,-491 168,-491 168,-491 168,-482 168,-482 168,-482 239.87,-465.77 285.73,-455.42\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"286.66,-458.79 295.65,-453.18 285.12,-451.97 286.66,-458.79\"/>\n",
+       "<text text-anchor=\"middle\" x=\"186.5\" y=\"-484.6\" font-family=\"Times,serif\" font-size=\"8.00\">4190/tcp</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;front -->\n",
-       "<g id=\"edge12\" class=\"edge\">\n",
+       "<g id=\"edge21\" class=\"edge\">\n",
        "<title>front&#45;&gt;front</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M364.06,-452.31C389.18,-455.1 419,-452.99 419,-446 419,-439.94 396.57,-437.55 374.23,-438.84\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"437.5\" y=\"-444.1\" font-family=\"Times,serif\" font-size=\"8.00\">8000/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M350.24,-449.75C360.02,-449.83 368,-448.58 368,-446 368,-444.43 365.04,-443.35 360.51,-442.77\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"360.4,-439.26 350.24,-442.25 360.05,-446.25 360.4,-439.26\"/>\n",
+       "<text text-anchor=\"middle\" x=\"386.5\" y=\"-444.1\" font-family=\"Times,serif\" font-size=\"8.00\">8008/tcp</text>\n",
+       "</g>\n",
+       "<!-- front&#45;&gt;front -->\n",
+       "<g id=\"edge22\" class=\"edge\">\n",
+       "<title>front&#45;&gt;front</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M350.06,-452.31C375.18,-455.1 405,-452.99 405,-446 405,-439.94 382.57,-437.55 360.23,-438.84\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"359.73,-435.37 350.06,-439.69 360.31,-442.34 359.73,-435.37\"/>\n",
+       "<text text-anchor=\"middle\" x=\"423.5\" y=\"-444.1\" font-family=\"Times,serif\" font-size=\"8.00\">8000/tcp</text>\n",
        "</g>\n",
        "<!-- admin -->\n",
-       "<g id=\"node3\" class=\"node\">\n",
+       "<g id=\"node4\" class=\"node\">\n",
        "<title>admin</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"556,-302 502,-302 502,-266 556,-266 556,-302\"/>\n",
-       "<text text-anchor=\"middle\" x=\"529\" y=\"-282.1\" font-family=\"arial\" font-size=\"8.00\">Admin</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"495,-302 441,-302 441,-266 495,-266 495,-302\"/>\n",
+       "<text text-anchor=\"middle\" x=\"468\" y=\"-282.1\" font-family=\"arial\" font-size=\"8.00\">Admin</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;admin -->\n",
-       "<g id=\"edge13\" class=\"edge\">\n",
+       "<g id=\"edge23\" class=\"edge\">\n",
        "<title>front&#45;&gt;admin</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M364.05,-434.12C389.59,-423.84 424,-410 424,-410 424,-410 465,-347 465,-347 465,-347 485.85,-326.8 503.75,-309.46\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"483.5\" y=\"-363.1\" font-family=\"Times,serif\" font-size=\"8.00\">8080/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M332.58,-427.93C348.34,-399.85 378,-347 378,-347 378,-347 408.92,-325.7 434.51,-308.07\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"436.68,-310.83 442.93,-302.27 432.71,-305.06 436.68,-310.83\"/>\n",
+       "<text text-anchor=\"middle\" x=\"396.5\" y=\"-363.1\" font-family=\"Times,serif\" font-size=\"8.00\">8080/tcp</text>\n",
        "</g>\n",
        "<!-- smtp -->\n",
-       "<g id=\"node4\" class=\"node\">\n",
+       "<g id=\"node5\" class=\"node\">\n",
        "<title>smtp</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"565,-383 511,-383 511,-347 565,-347 565,-383\"/>\n",
-       "<text text-anchor=\"middle\" x=\"538\" y=\"-363.1\" font-family=\"arial\" font-size=\"8.00\">SMTP</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"550,-383 496,-383 496,-347 550,-347 550,-383\"/>\n",
+       "<text text-anchor=\"middle\" x=\"523\" y=\"-363.1\" font-family=\"arial\" font-size=\"8.00\">SMTP</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;smtp -->\n",
-       "<g id=\"edge17\" class=\"edge\">\n",
+       "<g id=\"edge27\" class=\"edge\">\n",
        "<title>front&#45;&gt;smtp</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M364.19,-439.53C413.12,-429.69 511,-410 511,-410 511,-410 516.33,-401.32 522.25,-391.67\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"529.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">25/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M350.22,-440.71C409.5,-431.36 545,-410 545,-410 545,-410 545,-401 545,-401 545,-401 542.44,-396.93 539.06,-391.56\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"542.03,-389.69 533.74,-383.09 536.1,-393.42 542.03,-389.69\"/>\n",
+       "<text text-anchor=\"middle\" x=\"558.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">25/tcp</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;smtp -->\n",
-       "<g id=\"edge18\" class=\"edge\">\n",
+       "<g id=\"edge28\" class=\"edge\">\n",
        "<title>front&#45;&gt;smtp</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M364.02,-440.5C420.74,-431.04 547,-410 547,-410 547,-410 547,-401 547,-401 547,-401 546.14,-397.65 544.95,-393.02\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"568.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">10025/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M350.25,-435.06C378.63,-424.72 419,-410 419,-410 419,-410 465.19,-391.66 486.31,-382.91\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"461.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">10025/tcp</text>\n",
        "</g>\n",
        "<!-- antispam -->\n",
-       "<g id=\"node6\" class=\"node\">\n",
+       "<g id=\"node7\" class=\"node\">\n",
        "<title>antispam</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"632,-140 578,-140 578,-104 632,-104 632,-140\"/>\n",
-       "<text text-anchor=\"middle\" x=\"605\" y=\"-120.1\" font-family=\"arial\" font-size=\"8.00\">Antispam</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"585,-140 531,-140 531,-104 585,-104 585,-140\"/>\n",
+       "<text text-anchor=\"middle\" x=\"558\" y=\"-120.1\" font-family=\"arial\" font-size=\"8.00\">Antispam</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;antispam -->\n",
-       "<g id=\"edge20\" class=\"edge\">\n",
+       "<g id=\"edge30\" class=\"edge\">\n",
        "<title>front&#45;&gt;antispam</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M364.02,-441.32C430,-432.33 594,-410 594,-410 594,-410 649,-248 649,-248 649,-248 649,-239 649,-239 649,-239 620,-158 620,-158 620,-158 618.41,-154.3 616.27,-149.3\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"663.5\" y=\"-282.1\" font-family=\"Times,serif\" font-size=\"8.00\">11334/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M350.08,-441.25C415.34,-432.23 576,-410 576,-410 576,-410 607,-248 607,-248 607,-248 607,-239 607,-239 607,-239 578,-158 578,-158 578,-158 575.78,-154.11 572.82,-148.93\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"624.5\" y=\"-282.1\" font-family=\"Times,serif\" font-size=\"8.00\">11334/tcp</text>\n",
        "</g>\n",
        "<!-- imap -->\n",
-       "<g id=\"node8\" class=\"node\">\n",
+       "<g id=\"node9\" class=\"node\">\n",
        "<title>imap</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"411,-221 357,-221 357,-185 411,-185 411,-221\"/>\n",
-       "<text text-anchor=\"middle\" x=\"384\" y=\"-201.1\" font-family=\"arial\" font-size=\"8.00\">IMAP</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"383,-221 329,-221 329,-185 383,-185 383,-221\"/>\n",
+       "<text text-anchor=\"middle\" x=\"356\" y=\"-201.1\" font-family=\"arial\" font-size=\"8.00\">IMAP</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;imap -->\n",
-       "<g id=\"edge14\" class=\"edge\">\n",
+       "<g id=\"edge24\" class=\"edge\">\n",
        "<title>front&#45;&gt;imap</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M338.92,-427.88C342.75,-393.65 351,-320 351,-320 351,-320 370,-239 370,-239 370,-239 371.41,-235.47 373.34,-230.66\"/>\n",
-       "<polygon fill=\"black\" stroke=\"black\" points=\"376.7,-231.67 377.16,-221.09 370.2,-229.07 376.7,-231.67\"/>\n",
-       "<text text-anchor=\"middle\" x=\"369.5\" y=\"-322.6\" font-family=\"Times,serif\" font-size=\"8.00\">4190/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M325.37,-427.67C331.05,-386.24 345.43,-281.22 352.27,-231.24\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"355.76,-231.56 353.65,-221.18 348.82,-230.61 355.76,-231.56\"/>\n",
+       "<text text-anchor=\"middle\" x=\"357.5\" y=\"-322.6\" font-family=\"Times,serif\" font-size=\"8.00\">4190/tcp</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;imap -->\n",
-       "<g id=\"edge15\" class=\"edge\">\n",
+       "<g id=\"edge25\" class=\"edge\">\n",
        "<title>front&#45;&gt;imap</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M309.86,-441.8C236.54,-433.16 40,-410 40,-410 40,-410 0,-383 0,-383 0,-383 0,-347 0,-347 0,-347 286,-239 286,-239 286,-239 319.57,-227.01 347.42,-217.07\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"87\" y=\"-322.6\" font-family=\"Times,serif\" font-size=\"8.00\">143/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M295.77,-430.56C277.59,-420.92 257,-410 257,-410 257,-410 214,-329 214,-329 214,-329 214,-320 214,-320 214,-320 254,-239 254,-239 254,-239 290.09,-226.61 319.34,-216.58\"/>\n",
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        "</g>\n",
        "<!-- front&#45;&gt;imap -->\n",
-       "<g id=\"edge16\" class=\"edge\">\n",
+       "<g id=\"edge26\" class=\"edge\">\n",
        "<title>front&#45;&gt;imap</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M346.28,-427.91C351.1,-419.03 356,-410 356,-410 356,-410 388,-329 388,-329 388,-329 388,-320 388,-320 388,-320 386.13,-265.76 384.95,-231.46\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"404\" y=\"-322.6\" font-family=\"Times,serif\" font-size=\"8.00\">110/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M320.05,-427.88C314.49,-395.62 303,-329 303,-329 303,-329 303,-320 303,-320 303,-320 328.21,-264.82 343.86,-230.57\"/>\n",
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        "</g>\n",
        "<!-- webdav -->\n",
-       "<g id=\"node9\" class=\"node\">\n",
+       "<g id=\"node10\" class=\"node\">\n",
        "<title>webdav</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"63,-383 9,-383 9,-347 63,-347 63,-383\"/>\n",
-       "<text text-anchor=\"middle\" x=\"36\" y=\"-363.1\" font-family=\"arial\" font-size=\"8.00\">WebDAV</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"478,-383 424,-383 424,-347 478,-347 478,-383\"/>\n",
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        "</g>\n",
        "<!-- front&#45;&gt;webdav -->\n",
-       "<g id=\"edge21\" class=\"edge\">\n",
+       "<g id=\"edge31\" class=\"edge\">\n",
        "<title>front&#45;&gt;webdav</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M309.79,-441.74C237.3,-433.05 45,-410 45,-410 45,-410 43.4,-402.18 41.55,-393.13\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"63.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">5232/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M345.98,-427.86C362.55,-415.51 382,-401 382,-401 382,-401 397.98,-392.9 414.56,-384.49\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"400.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">5232/tcp</text>\n",
        "</g>\n",
        "<!-- webmail -->\n",
-       "<g id=\"node10\" class=\"node\">\n",
+       "<g id=\"node11\" class=\"node\">\n",
        "<title>webmail</title>\n",
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-       "<text text-anchor=\"middle\" x=\"184\" y=\"-363.1\" font-family=\"arial\" font-size=\"8.00\">Webmail</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"96,-383 42,-383 42,-347 96,-347 96,-383\"/>\n",
+       "<text text-anchor=\"middle\" x=\"69\" y=\"-363.1\" font-family=\"arial\" font-size=\"8.00\">Webmail</text>\n",
        "</g>\n",
        "<!-- front&#45;&gt;webmail -->\n",
-       "<g id=\"edge19\" class=\"edge\">\n",
+       "<g id=\"edge29\" class=\"edge\">\n",
        "<title>front&#45;&gt;webmail</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M310,-437.06C274.89,-426.73 218,-410 218,-410 218,-410 211.02,-400.97 203.39,-391.09\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"231.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">80/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M295.85,-437.15C260.17,-426.83 202,-410 202,-410 202,-410 179,-401 179,-401 179,-401 137.74,-387.87 105.76,-377.7\"/>\n",
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+       "<text text-anchor=\"middle\" x=\"215.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">80/tcp</text>\n",
        "</g>\n",
        "<!-- redis -->\n",
-       "<g id=\"node5\" class=\"node\">\n",
+       "<g id=\"node6\" class=\"node\">\n",
        "<title>redis</title>\n",
-       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"537,-59 483,-59 483,-23 537,-23 537,-59\"/>\n",
-       "<text text-anchor=\"middle\" x=\"510\" y=\"-39.1\" font-family=\"arial\" font-size=\"8.00\">Redis</text>\n",
+       "<polygon fill=\"#d3edea\" stroke=\"#d3edea\" points=\"490,-59 436,-59 436,-23 490,-23 490,-59\"/>\n",
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        "</g>\n",
        "<!-- admin&#45;&gt;redis -->\n",
-       "<g id=\"edge32\" class=\"edge\">\n",
+       "<g id=\"edge43\" class=\"edge\">\n",
        "<title>admin&#45;&gt;redis</title>\n",
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-       "<text text-anchor=\"middle\" x=\"502.5\" y=\"-160.6\" font-family=\"Times,serif\" font-size=\"8.00\">6379/tcp</text>\n",
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        "</g>\n",
        "<!-- admin&#45;&gt;imap -->\n",
-       "<g id=\"edge33\" class=\"edge\">\n",
+       "<g id=\"edge44\" class=\"edge\">\n",
        "<title>admin&#45;&gt;imap</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M501.75,-274.71C467.74,-264.36 414,-248 414,-248 414,-248 408.08,-239.32 401.5,-229.67\"/>\n",
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-       "<text text-anchor=\"middle\" x=\"432.5\" y=\"-241.6\" font-family=\"Times,serif\" font-size=\"8.00\">2525/tcp</text>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M443.1,-265.91C430.15,-257.03 417,-248 417,-248 417,-248 402.68,-237.67 387.92,-227.02\"/>\n",
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        "</g>\n",
        "<!-- smtp&#45;&gt;front -->\n",
-       "<g id=\"edge23\" class=\"edge\">\n",
+       "<g id=\"edge33\" class=\"edge\">\n",
        "<title>smtp&#45;&gt;front</title>\n",
-       "<path fill=\"none\" stroke=\"black\" d=\"M510.95,-379.68C485.41,-392.6 451,-410 451,-410 451,-410 407.25,-423.43 373.95,-433.65\"/>\n",
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        "</g>\n",
        "<!-- smtp&#45;&gt;admin -->\n",
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        "<!-- smtp&#45;&gt;antispam -->\n",
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        "<!-- antispam&#45;&gt;admin -->\n",
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        "<!-- antispam&#45;&gt;redis -->\n",
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+       "<g id=\"edge45\" class=\"edge\">\n",
        "<title>antispam&#45;&gt;redis</title>\n",
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-       "<text text-anchor=\"middle\" x=\"578.5\" y=\"-79.6\" font-family=\"Times,serif\" font-size=\"8.00\">6379/tcp</text>\n",
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        "</g>\n",
        "<!-- antivirus -->\n",
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-       "<text text-anchor=\"middle\" x=\"671\" y=\"-39.1\" font-family=\"arial\" font-size=\"8.00\">Anti&#45;Virus</text>\n",
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        "</g>\n",
        "<!-- antispam&#45;&gt;antivirus -->\n",
-       "<g id=\"edge37\" class=\"edge\">\n",
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        "<title>antispam&#45;&gt;antivirus</title>\n",
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        "</g>\n",
        "<!-- oletools -->\n",
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        "<title>oletools</title>\n",
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        "</g>\n",
        "<!-- antispam&#45;&gt;oletools -->\n",
-       "<g id=\"edge36\" class=\"edge\">\n",
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        "<title>antispam&#45;&gt;oletools</title>\n",
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        "</g>\n",
-       "<!-- imap&#45;&gt;front -->\n",
-       "<g id=\"edge27\" class=\"edge\">\n",
-       "<title>imap&#45;&gt;front</title>\n",
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+       "<!-- imap&#45;&gt;proxy -->\n",
+       "<g id=\"edge37\" class=\"edge\">\n",
+       "<title>imap&#45;&gt;proxy</title>\n",
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        "</g>\n",
        "<!-- imap&#45;&gt;admin -->\n",
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        "<title>imap&#45;&gt;admin</title>\n",
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        "<!-- imap&#45;&gt;antispam -->\n",
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+       "<g id=\"edge36\" class=\"edge\">\n",
        "<title>imap&#45;&gt;antispam</title>\n",
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        "<!-- fts_attachments -->\n",
-       "<g id=\"node13\" class=\"node\">\n",
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        "</g>\n",
        "<!-- imap&#45;&gt;fts_attachments -->\n",
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        "<title>imap&#45;&gt;fts_attachments</title>\n",
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+       "<!-- webmail&#45;&gt;proxy -->\n",
+       "<g id=\"edge42\" class=\"edge\">\n",
+       "<title>webmail&#45;&gt;proxy</title>\n",
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        "<!-- webmail&#45;&gt;front -->\n",
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        "<title>webmail&#45;&gt;front</title>\n",
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        "<!-- webmail&#45;&gt;front -->\n",
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        "<!-- fetchmail -->\n",
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        "<title>fetchmail</title>\n",
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        "<title>fetchmail&#45;&gt;front</title>\n",
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        "<title>fetchmail&#45;&gt;admin</title>\n",
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+       "<path fill=\"none\" stroke=\"black\" d=\"M661.38,-508.75C668.82,-470.72 686,-383 686,-383 686,-383 686,-347 686,-347 686,-347 567.2,-313.21 505,-295.52\"/>\n",
+       "<polygon fill=\"black\" stroke=\"black\" points=\"505.75,-292.1 495.17,-292.73 503.83,-298.83 505.75,-292.1\"/>\n",
+       "<text text-anchor=\"middle\" x=\"700.5\" y=\"-403.6\" font-family=\"Times,serif\" font-size=\"8.00\">8080/tcp</text>\n",
        "</g>\n",
        "</g>\n",
        "</svg>\n"
       ],
       "text/plain": [
-       "<graphviz.sources.Source at 0x7f2c4e69e690>"
+       "<graphviz.sources.Source at 0x7f7fe3573ad0>"
       ]
      },
-     "execution_count": 2,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -405,6 +488,7 @@
     "    \n",
     "    # Components\n",
     "    internet [label = \"Internet\";];\n",
+    "    proxy [label = \"Optional proxy\"; shape = \"polygon\"];\n",
     "    front [label = \"Front\";];\n",
     "    admin [label = \"Admin\";];\n",
     "    smtp [label = \"SMTP\";];\n",
@@ -417,18 +501,29 @@
     "    fetchmail [label = \"Fetchmail\";];\n",
     "    oletools [label = \"Oletools\"];\n",
     "    fts_attachments [label = \"Tika\"];\n",
+    "    # proxy from internet\n",
+    "    internet -> proxy [label = \"25/tcp\";];\n",
+    "    internet -> proxy [label = \"80/tcp\";];\n",
+    "    internet -> proxy [label = \"443/tcp\";];\n",
+    "    internet -> proxy [label = \"465/tcp\";];\n",
+    "    internet -> proxy [label = \"587/tcp\";];\n",
+    "    internet -> proxy [label = \"110/tcp\";];\n",
+    "    internet -> proxy [label = \"995/tcp\";];\n",
+    "    internet -> proxy [label = \"143/tcp\";];\n",
+    "    internet -> proxy [label = \"993/tcp\";];\n",
+    "    internet -> proxy [label = \"4190/tcp\";];\n",
     "    \n",
-    "    # Front from internet\n",
-    "    internet -> front [label = \"80/tcp\";];\n",
-    "    internet -> front [label = \"443/tcp\";];\n",
-    "    internet -> front [label = \"25/tcp\";];\n",
-    "    internet -> front [label = \"465/tcp\";];\n",
-    "    internet -> front [label = \"587/tcp\";];\n",
-    "    internet -> front [label = \"110/tcp\";];\n",
-    "    internet -> front [label = \"995/tcp\";];\n",
-    "    internet -> front [label = \"143/tcp\";];\n",
-    "    internet -> front [label = \"993/tcp\";];\n",
-    "    internet -> front [label = \"4190/tcp\";];\n",
+    "    # Front from proxy\n",
+    "    proxy -> front [label = \"25/tcp\";];\n",
+    "    proxy -> front [label = \"80/tcp\";];\n",
+    "    proxy -> front [label = \"443/tcp\";];\n",
+    "    proxy -> front [label = \"465/tcp\";];\n",
+    "    proxy -> front [label = \"587/tcp\";];\n",
+    "    proxy -> front [label = \"110/tcp\";];\n",
+    "    proxy -> front [label = \"995/tcp\";];\n",
+    "    proxy -> front [label = \"143/tcp\";];\n",
+    "    proxy -> front [label = \"993/tcp\";];\n",
+    "    proxy -> front [label = \"4190/tcp\";];\n",
     "    \n",
     "    front -> front [label = \"8008/tcp\";];\n",
     "    front -> front [label = \"8000/tcp\";];\n",
@@ -448,18 +543,20 @@
     "    \n",
     "    imap -> admin [label = \"8080/tcp\";];\n",
     "    imap -> antispam [label = \"11334/tcp\";];\n",
-    "    imap -> front [label = \"25/tcp\";];\n",
+    "    imap -> proxy [label = \"25/tcp\";];\n",
     "    imap -> fts_attachments [label = \"9998/tcp\";];\n",
     "    \n",
     "    webmail -> front [label = \"14190/tcp\";];\n",
     "    webmail -> front [label = \"10025/tcp\";];\n",
     "    webmail -> front [label = \"10143/tcp\";];\n",
+    "    # carddav\n",
+    "    webmail -> proxy [label = \"443/tcp\";];\n",
     "    \n",
     "    admin -> redis [label = \"6379/tcp\";];\n",
     "    admin -> imap [label = \"2525/tcp\";];\n",
     "    \n",
     "    antispam -> redis [label = \"6379/tcp\";];\n",
-    "    antispam -> admin [label = \"80/tcp\";];\n",
+    "    antispam -> admin [label = \"8080/tcp\";];\n",
     "    antispam -> oletools [label = \"11343/tcp\";];\n",
     "    antispam -> antivirus [label = \"3310/tcp\";];\n",
     "    \n",