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Email problems
| Posted by Geo2008, 10-07-2008, 08:31 PM |
| Today i recived a lot of bounced back emails as if they were originally sent from my account
Is it possible to tell by the header if it's my mail server compromised and some one sending out spam using my mail server?
I do have link@mspiercing.com account and my server's name is mail.mspiercing.com
Here is the header from the email (Bounced back email had orignal email as an attachment)
Thanks.
Return-Path:
Received: from hedy-edc68d57b3 ([123.6.229.63])
by mail.mclogi.com.sg (8.13.7/8.12.7) with ESMTP id m980JZTX027431
for ; Wed, 8 Oct 2008 08:19:41 +0800
Received: from [123.6.229.63] by mail.mspiercing.com; Wed, 8 Oct 2008 08:19:37 +0800
From: =?koi8-r?B?IvbP0sEg6MnTwc0i?=
To:
Subject: =?koi8-r?B?78LV3sHA3cHRINPJ09TFzcEg0M8gRVhDRUwgMjAwNw==?=
Date: Wed, 8 Oct 2008 08:19:37 +0800
Message-ID: <01c9291e$9a39b280$3fe5067b@link>
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_000E_01C9291E.9A39B280"
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0)
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869
Importance: Normal
X-Spam-Score: 3.738 () FORGED_MUA_OIMO,HTML_FONT_BIG,HTML_MESSAGE,MIME_CHARSET_FARAWAY,RAZOR2_CF_RANGE_51_100,RAZOR2_CF_RANGE_E4_51_100,RAZOR2_CHECK
X-Spam-Status: No
X-Scanned-By: MIMEDefang 2.57 on 203.95.72.122
This is a multi-part message in MIME format.
|
| Posted by dvashishtha, 10-07-2008, 08:39 PM |
| Most likely someone is using your email address (From Address) for sending these mails. This is a very common issue these days.
You can enable SPF for your domain. you need to add TXT records for your domain and let the DNS know about your domain’s authorized mailserver.
This will surely help in preventing this email forgery.
|
| Posted by Geo2008, 10-07-2008, 08:44 PM |
| I do have SPF record. "v=spf1 mx ptr -all"
What do you mean by "prevent". I can not prevent someone using my email as "From address" right.
Or will the servers look at SPF record and figure out that this From is invalid?
Applogies but i do not know how SPF record working.
Thanks
George.
|
| Posted by dvashishtha, 10-07-2008, 09:27 PM |
| It depends on recipient's mail server if it looks for SPF record or not. SPF can help in preventing email forgery but can't stop it 100% as it depends on recipient's mail server as well.
|
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