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koitsu
Premium,MVM
join:2002-07-16
Mountain View, CA
kudos:14

reply to koitsu

Re: [Spam] Comcast reporting spam from my IP

Yup, Comcast's mail servers require SMTP AUTH on port 587:

Sep  3 02:56:07 icarus postfix/qmgr[883]: EDB0C17B81A: from=<jdc@icarus.home.lan>, size=717, nrcpt=1 (queue active)
Sep  3 02:56:08 icarus postfix/smtp[31856]: EDB0C17B81A: to=<user@domain.com>, relay=smtp.comcast.net[76.96.62.117]:587, delay=0.63, delays=0.01/0/0.47/0.15, dsn=5.1.0, status=bounced (host smtp.comcast.net[76.96.62.117] said: 550 5.1.0 Authentication required (in reply to MAIL FROM command))
 

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