I'm getting the following bounced emails SUBJ: Undelivered Mail Returned to Sender This is the Postfix program at host mydomain.com. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to <postmaster> If you do so, please include this problem report. You can delete your own text from the attached returned message. The Postfix program <firstname.lastname@example.org>: delivery temporarily suspended: connect to localhost.localdomain.com[188.8.131.52]: Connection refused Code: Return-Path: <> X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on mydomain.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.1.8 X-Original-To: email@example.com Delivered-To: firstname.lastname@example.org Received: by mydomain.com (Postfix) id DAF6C4008633; Fri, 25 May 2007 13:25:11 -0500 (CDT) Date: Fri, 25 May 2007 13:25:11 -0500 (CDT) From: MAILER-DAEMON@mydomain.com (Mail Delivery System) Subject: Undelivered Mail Returned to Sender To: email@example.com MIME-Version: 1.0 X-Security: MIME headers sanitized on mydomain.com See http://www.impsec.org/email-tools/sanitizer-intro.html for details. $Revision: 1.138 $Date: 2003-01-26 11:25:54-08 X-Security: The postmaster has not enabled quarantine of poisoned messages. Content-Type: multipart/report; report-type=delivery-status; boundary="A450440085BA.1180117511/mydomain.com" Message-Id: <20070525182511.DAF6C4008633@mydomain.com> X-Virus-Status: No X-Virus-Checker-Version: clamassassin 1.2.3 with clamscan / ClamAV 0.90.2/3301/Fri May 25 03:38:57 2007 FC5 perfect setup. ispconfig. postfix. Maildir. Suggestions?