Your software
My Mautic version is:V3
My PHP version is: 7.3.27
My Database type and version is:
Your problem
My problem is: I Have an Own mail server. I think this authentication Problem But don’t know how to authenticate on my server.
These errors are showing in the log:
Failed to authenticate on SMTP server with username “info@tecis.in” using 1 possible authenticators. Authenticator PLAIN returned Expected response code 250 but got an empty response
Steps I have tried to fix the problem: