[CentOS] pop before smtp

[Matt Hyclak]

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