Hi, This time I got it resolved by intimating them and revising their proxy settings. But its not possible to look into every client's network and security policies. I should make sure that my server will reject such incidences. Definitely i will check of declude solutions..
thanks. ----- Original Message ----- From: "R. Scott Perry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 24, 2004 4:55 PM Subject: Re: [IMail Forum] How to stop spamming.... > > >In PostMaster you can save the authentication information and if the proxy > >server that they are using is open the it can be hijacked to spam. It uses > >the PostMaster to relay spam and our server validates the authentication > >information saved in PostMaster. If the authentication information is > >correct IMail doesn't verify what the sender's ID is. > > OK, in this case, the problem can be described quite easily: You have a > customer who is (unintentionally) spamming. They are not bypassing your > anti-relay settings, guessing passwords, hacking your server, etc.; they > are simply authorized to send E-mail, and are (unintentionally) abusing it. > > One option would be to approach them, and have them fix the problem (if > not, remove their access). > > The other option would be to implement a rate limiting system, such as > Declude Hijack, so that if they start sending too much E-mail, they will > get blocked. > > -Scott > --- > Declude JunkMail: The advanced anti-spam solution for IMail mailservers > since 2000. > Declude Virus: Ultra reliable virus detection and the leader in mailserver > vulnerability detection. > Find out what you've been missing: Ask for a free 30-day evaluation. > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
