Mail delivery

Hi all,
my gitlab is running on a subdomain and I’ve issues sending mail using the subdomain (like If I not use the subdomain, links in mails not working like invitation mail. So I’m a bit stuck now. It has worked successful some versions below the current.
I tried to set the smtp_domain in config but no luck. The error message is

Error performing ActionMailer::MailDeliveryJob (Job ID: xxx) from Sidekiq(mailers) in 198.11ms: Net::SMTPFatalError (553 5.1.8 Sender domain not allowed

What can I do?
Thank you in advance.
Best Mario

Got it, my server needs a valid “from” configuration, so I set “gitlab_email_from” accordingly :slight_smile: