Are you sure these are messages that were sent originally via your server?
On second sight, I think these are more likely what's called backscatter. See
http://www.spamlinks.net/prevent-secure-backscatter.htm There are undoubtedly posts in this list's archve as well. If anyone has further advice on this, please chime in. :) -- -Eric 'shubes' On 08/23/2013 07:55 PM, ChandranManikandan wrote:
how to avoid this kind of issue. On Fri, Aug 23, 2013 at 9:58 PM, Eric Shubert <[email protected] <mailto:[email protected]>> wrote: Looks to me as though one of your clients is attempting to spam addresses which don't exist. -- -Eric 'shubes' On 08/23/2013 12:48 AM, ChandranManikandan wrote: Hi All, If we sent email to any recipients immediately we got failure notice with different email address. like below Hi. This is the qmail-send program at mail.panasiagroup.net <http://mail.panasiagroup.net> <http://mail.panasiagroup.net>__. I tried to deliver a bounce message to this address, but the bounce bounced! <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>__>>: Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4) <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>__>: User and password not set, continuing without authentication. 208.88.176.21 does not like recipient. Remote host said: 550 5.1.1 <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>__>: Recipient address rejected: User unknown in virtual alias table Giving up on 208.88.176.21. <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>__>: User and password not set, continuing without authentication. 74.125.129.27 does not like recipient. Remote host said: 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1 http://support.google.com/__mail/bin/answer.py?answer=6596 <http://support.google.com/mail/bin/answer.py?answer=6596> xn6si4760222pbc.302 - gsmtp Giving up on 74.125.129.27. <[email protected] <mailto:[email protected]> <mailto:hannann@cableamerica.__com <mailto:[email protected]>>>: User and password not set, continuing without authentication. 66.175.58.41 does not like recipient. Remote host said: 550 5.1.1 <[email protected] <mailto:[email protected]> <mailto:hannann@cableamerica.__com <mailto:[email protected]>>>... User unknown Giving up on 66.175.58.41. --- Below this line is the original bounce. Return-Path: <> Received: (qmail 25577 invoked by uid 89); 23 Aug 2013 07:42:35 -0000 Received: by simscan 1.4.0 ppid: 25247, pid: 25540, t: 3.7360s scanners: attach: 1.4.0 clamav: 0.97.8/m:54/d:17726 spam: 3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.panasiagroup.net <http://mail.panasiagroup.net> <http://mail.panasiagroup.net> X-Spam-Level: **** X-Spam-Status: No, score=4.4 required=10.0 tests=BAYES_50,EMPTY_MESSAGE, HTML_MESSAGE,LOTS_OF_MONEY,__MISSING_MID,RDNS_NONE autolearn=no version=3.3.2 Received: from unknown (HELO xxx.com <http://xxx.com> <http://xxx.com>) (66.111.12.234) by mail.xxx.net <http://mail.xxx.net> <http://mail.xxx.net> with SMTP; 23 Aug 2013 07:42:32 -0000 Received-SPF: pass (mail.xxx.net <http://mail.xxx.net> <http://mail.xxx.net>: SPF record at xxxx.com <http://xxxx.com> <http://xxxx.com> designates 66.111.12.234 as permitted sender) Received: from ([10.10.129.14]) by xxxx.com <http://xxxx.com> <http://xxxx.com> (L-Soft HDMail 2.1); X-VirtualServerGroup: Default X-MailingID: 00000::00000::00000::00000::__00000::1286626 X-SMHeaderMap: mid="X-MailingID" X-Mailer: L-Soft HDMail 2.1 X-Destination-ID: [email protected] <mailto:[email protected]> <mailto:praveen@panasiagroup.__net <mailto:[email protected]>> X-SMFBL: cHJhdmVlbkBwYW5hc2lhZ3JvdXAubm__V0 Content-Type: multipart/report; report-type=delivery-status; boundary="41AB039EBB4.__1102407491/mailer-strongmail" MIME-Version: 1.0 Subject: "Undelivered Mail Returned to Sender" Date: Fri, 23 Aug 2013 03:42:01 -0400 To: [email protected] <mailto:[email protected]> <mailto:praveen@panasiagroup.__net <mailto:[email protected]>> From: [email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> Please help me anyone -- */Thanks & Best Regards, Manikandan.C /* ------------------------------__------------------------------__--------- To unsubscribe, e-mail: qmailtoaster-list-unsubscribe@__qmailtoaster.com <mailto:[email protected]> For additional commands, e-mail: qmailtoaster-list-help@__qmailtoaster.com <mailto:[email protected]> -- */Thanks & Best Regards, Manikandan.C /*
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