Contrib.social

Anonymous SMTP relay not working

Open on Drupal.org →
Created on 26 February 2025, about 1 month ago

I can send email via Gmail without a problem but I cannot get an anonymous smtp relay working. I did a packet capture on the SMTP relay server and I see Symfony Mailer sending a STARTTLS packet but the transport is configured not to use TLS. I'm not sure if this is causing the problem but I want to make you aware.

I use this SMTP relay for many other devices without a problem.

🐛 Bug report
Status

Active

Version

1.5

Component

Code

Created by

🇺🇸United States guymandude

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Comments & Activities

  • Issue created by @guymandude
  • Comment about 1 month ago →
    🇬🇧United Kingdom mistergroove

    Not sure this is the same issue but I cannot get an anonymous smtp relay working either. The microsoft server complains about a missing certificate. (The mailserver is setup to only allow anonymous connection from my IP).

    Expected response code "250/251/252" but got code "550", with message "550 5.7.64 TenantAttribution; Relay Access Denied [ValidationStatus of '' is EmptyCertificate]

  • Comment about 1 month ago →
    🇬🇧United Kingdom mistergroove

    My issue was related to https://www.drupal.org/project/symfony_mailer/issues/3511150 📌 Option to force ipv4? Active (The communication with the SMTP server was using an IPv6 address instead of an IPv4 address needed). I'll note my resolution it in that issue.

  • Comment 26 days ago →
    🇬🇧United Kingdom adamps

    Thanks for the information. I'm not sure there is anything we can do in this module - this seems more related to the upstream symfony mailer library.

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