Hello, I see the following errors on SMTP server logs:
E7AA017645 556 Thu Sep 29 15:43:13 us...@fqdn.com (host alt1.gmail-smtp-in.l.google.com[74.125.69.27] said: 421-4.7.0 This message does not have authentication information or fails to pass 421-4.7.0 authentication checks. To best protect our users from spam, the 421-4.7.0 message has been blocked. Please visit 421-4.7.0 https://support.google.com/mail/answer/81126#authentication for more 421 4.7.0 information. o78si810588ita.33 - gsmtp (in reply to end of DATA command)) We are not spammers, we're legitimate, full qualify domain name. Any ideas? Thanks, Motty
