I am not sure why this is happening now, I haven't made any changes to configurations in the last while.
It seems that fetchmail is catching mail that it shouldn't. Here is an example of an email that got bounced. It was sent locally in a backup script. >From MAILER-DAEMON Fri Oct 16 12:31:13 2009 Return-Path: <> X-Original-To: [email protected] Delivered-To: [email protected] Received: by server (Postfix, from userid 1013) id 56D23272C9A; Fri, 16 Oct 2009 12:31:13 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.2.1-gr1 (2007-05-02) on server X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.2.1-gr1 Received: from localhost (localhost [127.0.0.1]) by server (Postfix) with ESMTP id ECB5B272C95 for <j...@localhost>; Fri, 16 Oct 2009 12:31:12 -0400 (EDT) X-Original-To: [email protected] Delivered-To: [email protected] Received: from localhost [127.0.0.1] by localhost with IMAP (fetchmail-6.3.11) for <j...@localhost> (single-drop); Fri, 16 Oct 2009 12:31:12 -0400 (EDT) Received: by server (Postfix) id D761F272C97; Fri, 16 Oct 2009 12:26:12 -0400 (EDT) Date: Fri, 16 Oct 2009 12:26:12 -0400 (EDT) From: [email protected] (Mail Delivery System) Subject: Undelivered Mail Returned to Sender To: [email protected] Auto-Submitted: auto-replied MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="C9994272C9A.1255710372/server" Message-Id: <20091016162612.d761f272...@server> This is a MIME-encapsulated message. --C9994272C9A.1255710372/server Content-Description: Notification Content-Type: text/plain; charset=us-ascii This is the mail system at host server. 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 mail system <[email protected]>: mail forwarding loop for [email protected] --C9994272C9A.1255710372/server Content-Description: Delivery report Content-Type: message/delivery-status Reporting-MTA: dns; server X-Postfix-Queue-ID: C9994272C9A X-Postfix-Sender: rfc822; [email protected] Arrival-Date: Fri, 16 Oct 2009 12:26:12 -0400 (EDT) Final-Recipient: rfc822; [email protected] Action: failed Status: 5.4.6 Diagnostic-Code: X-Postfix; mail forwarding loop for [email protected] --C9994272C9A.1255710372/server Content-Description: Undelivered Message Content-Type: message/rfc822 Received: by server (Postfix, from userid 1013) id C9994272C9A; Fri, 16 Oct 2009 12:26:12 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.2.1-gr1 (2007-05-02) on server X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00,NO_RELAYS autolearn=unavailable version=3.2.1-gr1 Received: from localhost (localhost [127.0.0.1]) by server (Postfix) with ESMTP id A1EC1272C95 for <j...@localhost>; Fri, 16 Oct 2009 12:26:12 -0400 (EDT) X-Original-To: [email protected] Delivered-To: [email protected] Received: from localhost [127.0.0.1] by localhost with IMAP (fetchmail-6.3.11) for <j...@localhost> (single-drop); Fri, 16 Oct 2009 12:26:12 -0400 (EDT) Received: by server (Postfix, from userid 1013) id 0B09D272C9C; Fri, 16 Oct 2009 12:21:13 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by server (Postfix) with ESMTP id 4A7E8272C97 for <j...@localhost>; Fri, 16 Oct 2009 12:21:12 -0400 (EDT) X-Original-To: r...@localhost Delivered-To: [email protected] Received: from localhost [127.0.0.1] by localhost with IMAP
