Have you considered that may be it is not postfix sending these emails from your IP?
On Thu, Feb 4, 2016 at 1:03 AM, Andreas Schamanek <scham...@fam.tuwien.ac.at > wrote: > > We are not forwarding, we are not sending spam, in fact we are not > even sending bulk mail at all, still we get rate limited by Google. > > Strangely enough, right since I verified my domain schamanek.net for > postmaster.google.com we get rate limited every few days. E.g. > > Feb 2 16:52:04 iac postfix/smtp[7719]: 1A9BB227: host > gmail-smtp-in.l.google.com[173.194.65.27] said: 421-4.7.0 > [188.40.39.209 15] Our system has detected an unusual rate of > 421-4.7.0 unsolicited mail originating from your IP address. To > protect our 421-4.7.0 users from spam, mail sent from your IP > address has been temporarily 421-4.7.0 rate limited. Please visit > 421-4.7.0 https://support.google.com/mail/answer/81126 to review > our Bulk Email 421 4.7.0 Senders Guidelines. r17si2803368wjw.232 > - gsmtp (in reply to end of DATA command) > > We are sending on average 15 messages per day to gmail addresses. Our > total outbound rate is 135/day. I wonder what Google considers an > "unusual rate of unsolicited mail". Apparently, zero qualifies, too!? > > So, good luck to those who, just like me, have spam filters (of > course) and consider(ed) to add feedback loops, special headers, > change forwarding to fetching etc., it might not help. > > -- > -- Andreas > > :-/ > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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