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On Thu, Dec 10, 2015 at 7:43 AM, Petar Bogdanovic <pe...@smokva.net> wrote: > Hi, > > On the 6. of december, all google MTAs started rate limiting deliveries > from our MTA (dig mx smokva.net) to gmail- and gapps for work users: > > Our system has detected an unusual rate of unsolicited mail > originating from your IP address. To protect our users from spam, > mail sent from your IP address has been temporarily rate limited. > Please visit https://support.google.com/mail/answer/81126 to review > our Bulk Email Senders Guidelines. > > The sending domain in question hosts a handful of users, most of them > forwarding all their messages to gmail. During the past 7 days, this > domain has successfully delivered 45 messages to google MTAs. > > Based on the envelope sender addresses it is very likely that the vast > mojority these messages were ham. > > > I contacted google through their on-line form but am not holding my > breath. The queue is still growing and the first queued messages are > approaching max. queue lifetime (5d). > > Any ideas are welcome. > > A few technical details: The sending MTA, when forwarding, used to > rewrite envelope senders (because that's what seemed reasonable in an > SPF world) but I have disabled that practice based on google's own > recommendations. Outgoing messages are not DKIM signed, the MTA's IP > is listed in dnswl (which is a whitelist) and absent in any public > blacklist. > > > Thanks, > > Petar Bogdanovic > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > >
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