Does someone have tips in how to solve the problem? Look at the log: mai 09 06:16:52 dalen.lamasti.net postfix/smtp[2174424]: 8163214C1740: to=<example@gmail.com>, relay=alt1.gmail-smtp-in.l.google.com[142.250.157.27]:25, delay=50885, delays=50875/0.04/6.5/3.7, dsn=4.7.28, status=deferred (host alt1.gmail-smtp-in.l.google.com[142.250.157.27] said: 421-4.7.28 [185.181.61.11 15] Our system has detected an unusual rate of 421-4.7.28 unsolicited mail originating from your IP address. To protect our 421-4.7.28 users from spam, mail sent from your IP address has been temporarily 421-4.7.28 rate limited. Please visit 421-4.7.28 https://support.google.com/mail/?p=UnsolicitedRateLimitError to 421 4.7.28 review our Bulk Email Senders Guidelines. 14-20020a63184e000000b00519f8ebcc5esi643336pgy.121 - gsmtp (in reply to end of DATA command))
I have added the domain where the mailman list lives on to the google-site-verification TXT record in DNS. That seems to have no effect.
Thanks Lars
Lars Bjørndal <lars@lamasti.net> Ostadalsveien 64, 0753 Oslo. Mobil: 958 37 537