Sendmail become open relay

2008-09-08 Thread lyd mc
Hi guys need help.. My mailserver become an open relay. Unknown user can now send mail. snippet from mailq m88C8iWq042874  689 Mon Sep  8 20:08 [EMAIL PROTECTED] (Deferred: Name server: mx1.mail.tw.yahoo.com.: host name loo) [EMAIL

Re: Sendmail become open relay

2008-09-08 Thread Paul Macdonald
This might be more general advice than a specific help, but i've found most bad mail originating from me comes from php driven forum sites. After originally patching the php src to log sitenames that send mail, i found enabling MAILHEAD support in php build adds customs headers which help to

Re: Sendmail become open relay

2008-09-08 Thread Chris Pratt
On Sep 8, 2008, at 7:26 AM, Paul Macdonald wrote: This might be more general advice than a specific help, but i've found most bad mail originating from me comes from php driven forum sites. After originally patching the php src to log sitenames that send mail, i found enabling MAILHEAD