The trouble is his spam becomes your spam and you get penalized for that...
Get on the google postmaster tools to have a better idea of what is happening, but I would not blindly trust someone that relay emails through my servers... On Fri, Jun 3, 2016 at 4:30 AM, <tobias.herk...@optivo.de> wrote: > Hi, > > I'm currently seeing only this error > > 421-4.7.0 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 E > mail Senders Guidelines. vx5si6861009wjc.33 - gsmtp > > for all Mails going from 213.61.69.122 (office.optivo.de) to any Google > Apps Domain or Gmail Recipient. It's not much traffic (2k mails in a > week). I'm pretty sure I identified the reason for that, we had an > relay setting for an external user who is hosting his mail on Google > apps and besides simple spam filtering we relayed everything. > > I really hope that this is the only reason, because on this host 99% of > the traffic is one2one communication and therefore should not trigger > any bulk filter... > > Would be nice if somebody who is able to look into this, could give me > a short catchup if we have any other issues on this host... > > Kind regards, > > / Tobias Herkula > > -- > optivo GmbH > Head of Deliverability & Abuse Management > Wallstraße 16 > 10179 Berlin > Germany > > Tel: +49(0)30-768078-129 > Fax: +49(0)30-768078-499 > > Email: mailto:t.herk...@optivo.com > Website: http://www.optivo.com > Linkedin: http://www.linkedin.com/in/tobiasherkula > > Commercial register: HRB 88738 District Court Berlin-Charlottenburg > Executive board: Dr. Rainer Brosch, Thomas Diezmann > Vat reg. no.: DE813696618 > > optivo A company of Deutsche Post DHL Group > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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