I hope you guys don't mind me asking here about a non Postfix issue. I find this in the logs of our mail relay server. We are using google's GSuite, but have a relay for some use cases...
Apr 30 09:03:59 idp-prod-2 postfix/qmgr[5631]: 02EBF3A402: removed Apr 30 09:03:59 idp-prod-2 postfix/smtp[2920]: 02EBF3A402: to=< us...@example.com>, relay=aspmx.l.google.com[173.194.207.27]:25, delay=0.71, delays=0.08/0.03/0.19/0.41, dsn=2.0.0, status=sent (250 2.0.0 OK 1556629439 r127si3887981qkb.206 - gsmtp) Apr 30 09:03:59 idp-prod-2 postfix/qmgr[5631]: 02EBF3A402: from=< us...@example.com>, size=2370, nrcpt=1 (queue active) Apr 30 09:03:59 idp-prod-2 postfix/cleanup[2919]: 02EBF3A402: message-id=< cajgw3yovgh6fto9somazqewk2nd+lwv9zr7ejqojlbo-2nk...@mail.gmail.com> Apr 30 09:03:59 idp-prod-2 postfix/smtpd[2847]: 02EBF3A402: client= mail-ot1-f43.google.com[209.85.210.43], sasl_method=PLAIN, sasl_username=user1 example.com is our domain, and user1 and 2 our valid users.I cannot figure out why and how our users would be sending mail via our mail relay, with the source IP address coming up as google's? Am I misunderstanding the log lines? Thanks a lot! Mohamed.
