diff --git a/app/mailers/conversation_reply_mailer_helper.rb b/app/mailers/conversation_reply_mailer_helper.rb
index 4f12bdb51..d34369832 100644
--- a/app/mailers/conversation_reply_mailer_helper.rb
+++ b/app/mailers/conversation_reply_mailer_helper.rb
@@ -85,6 +85,8 @@ module ConversationReplyMailerHelper
       tls: false,
       enable_starttls_auto: true,
       openssl_verify_mode: 'none',
+      open_timeout: 15,
+      read_timeout: 15,
       authentication: 'xoauth2'
     }
   end