[CentOS] pop before smtp
Matt Hyclak
hyclak at math.ohiou.eduMon Aug 29 15:45:29 UTC 2005
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On Mon, Aug 29, 2005 at 11:34:24PM +0800, Mark Quitoriano enlightened us: > Im using postfix+postfixadmin+mysql+courier-imap > > i just implemented pop-before-smtp[1], my problem is after recieving the > mails i connect to the server using telnet and try to send spam using the > mail server it did send it didn't ask for authentication anymore. i'm not > sure how this pop-before-smtp really works but i was thinking how should i > secure the server in this kind of attacks. > Generally speaking, pop-before-smtp was (and is) a big hack. The right answer is to set up SMTP-Auth. Matt -- Matt Hyclak Department of Mathematics Department of Social Work Ohio University (740) 593-1263
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