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List:       postfix-users
Subject:    Re: Google rejecting IPv6 mails
From:       wietse () porcupine ! org (Wietse Venema)
Date:       2013-10-10 13:24:48
Message-ID: 3cwY1X1MFZzjymp () spike ! porcupine ! org
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Andreas Herrmann:
> <***@gmail.com>: host gmail-smtp-in.l.google.com[2a00:1450:4001:c02::1a]
>     said: 550-5.7.1 [2a01:4f8:d16:4114:feed:1bad:beef:dead       1] Our
> system
>     has 550-5.7.1 detected an unusual rate of unsolicited mail
> originating from
>     your IP 550-5.7.1 address [...]
> 
> Just an idea:
> Google is blocking the complete 2a01:4f8::/32AS24940
> (HETZNER-RZ-NBG-IPV6-BLK1) and doesn't care abut seperate subnets like
> Luigi's 2a01:4f8:d16:2409::/64 or my 2a01:4f8:d16:4114::/64 :-(

http://www.google.com/safebrowsing/diagnostic?site=AS:24940

    "Of the 241091 site(s) we tested on this network over the past
    90 days, 5227 site(s), including, for example, mashakelso.ru/,
    air-leader.ru/, viz-k.ru/, served content that resulted in
    malicious software being downloaded and installed without user
    consent."

So your idea looks plausible.

	Wietse
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