📝 Preliminary Checks

• I tried searching for an existing issue and followed the debugging docs advice, but still need assistance.

👀 What Happened?

I have an internal email server that uses a postfix server I have setup on AWS as a relay. My configuration is:

RELAY_HOST=host.aws.com
RELAY_PORT=587

Notice I do not set RELAY_USER nor RELAY_PASSWORD. That is because the relay server is configured to only accept traffic from the IP address of the internal server.

However, by setting RELAY_HOST, SMTP authentication is turned on here:

Which is called from here:

This code is a bit too aggressive. Instead, I it should enable SMTP authentication only if RELAY_USER or RELAY_PASSWORD are set.

👟 Reproduction Steps

See above.

🐋 DMS Version

v13.3.1

💻 Operating System and Architecture

Fedora 39 x64

⚙️ Container configuration files

No response

📜 Relevant log output

No response

Improvements to this form?

No response