Hey All,
I just wanted to post this to the list in case anyone else is seeing this issue. I was not receiving email notifications from facebook, while other users on my server were. I tracked it down to the CHKUSER patch not accepting a ~ character in a sender address as valid. Rather than edit the source code and recompile, I just disabled the sender address check system wide. This is what I saw in the qmail smtp log... @400000004937181e39835da4 CHKUSER rejected sender: from <[EMAIL PROTECTED]::> remote <mx-out.facebook.com:unknown:69.63.184.101> rcpt <> : invalid sender address format @400000004937195b333c43ac CHKUSER rejected sender: from <[EMAIL PROTECTED]::> remote <mx-out.facebook.com:unknown:69.63.178.162> rcpt <> : invalid sender address format @4000000049371d410d2b548c CHKUSER rejected sender: from <[EMAIL PROTECTED]::> remote <mx-out.facebook.com:unknown:69.63.184.105> rcpt <> : invalid sender address format I edited the tcp.smtp and added SENDER_NOCHECK="1" to disable the check. I guess Blackberry servers also use odd characters fairly commonly. Hope this helps someone else, Chris Hillman Systems Administrator Clearwater Research, Inc. office: 208-336-3376 ext. 408 [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> www.clearwater-research.com <http://www.clearwater-research.com/>