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Is there an attachment Limit ?

Fantasticfourum
Aspiring Pro
Posts: 386
Thanks: 53
Registered: 01-08-2007

Is there an attachment Limit ?

Hi
I have had problems with a company that have regularly sent me emails with attachments that have been fine for months but then suddenly the attachments
are not attached.They have come back to me with the following queerie : NB Anna is the girl sending me the e-mails with the missing attachments.
Quote:
Can you check what your server limit  on attachments  is ?
All Anna’s attachments’ were under 15 mb,  and I verified they  were transmitted
We limit attachment to 15 MB, the issue could be with your  email provider
This seems very odd to me as i have no problems with any other e-mails or attachments only from this one company and their IT bloke it appears is trying to say it is a problem my end
Can anyone shed any possible light on this as i think he is wrong.
By the way i am using Incredimail
Many Thanks........Mike
4 REPLIES
prichardson
Grafter
Posts: 1,503
Registered: 05-04-2007

Re: Is there an attachment Limit ?

As with the majority of mail systems, messages over a nominal size (sorry, don't have the figure to hand, so it's very vague I acknowledge) will be blocked at our mail gateway borders. That is to say, they will be rejected with a message to indicate they are to large, you will not receive the message and all being well with the senders configuration, they will receive a bounce.
With our systems there is an additional measure in that virus detection takes place. If this occurs, the platform will quarantine the message and send you a notification to allow you to ignore is dequeue the message. The notification message will not be the original, but one advising instructions and advise about the message we have stored.
Neither will cause the original message to come through without the attachment.
Are you able to copy and paste the headers from the message without the attachment? (though please feel free to edit (recommended) out yours and the senders email address).
http://www.haltabuse.org/help/headers/
The headers will contain key indications if an attachment was ever present. It's generally something that cannot be fully removed.
Fantasticfourum
Aspiring Pro
Posts: 386
Thanks: 53
Registered: 01-08-2007

Re: Is there an attachment Limit ?

I have removed all the e-mail addresses hope this makes some sense
X-AVG: Scanning
Return-path: <anna@xxx>
Envelope-to: mike@xxx
Delivery-date: Mon, 07 Mar 2011 13:03:03 +0000
Received: from [212.159.7.33] (helo=mx.ptn-ipin01.plus.net)
  by pih-inmx17.plus.net with esmtp (PlusNet MXCore v2.00) id 1Pwa4z-0003T9-4S
  for mike@xxx; Mon, 07 Mar 2011 13:03:02 +0000
Received-SPF: None identity=pra; client-ip=81.134.22.40;
  receiver=mx.ptn-ipin01.plus.net;
  envelope-from="anna@xxx
  x-sender="anna@xxx
  x-conformance=sidf_compatible
Received-SPF: Pass identity=mailfrom; client-ip=81.134.22.40;
  receiver=mx.ptn-ipin01.plus.net;
  envelope-from="anna@xxx
  x-sender="anna@xxx
  x-conformance=sidf_compatible;
  x-record-type="v=spf1"
Received-SPF: None identity=helo; client-ip=81.134.22.40;
  receiver=mx.ptn-ipin01.plus.net;
  envelope-from="anna@xxx
  x-sender="postmaster@mailclean.xxx
  x-conformance=sidf_compatible
X-SBRS: -0.5
X-IronPort-AV: E=McAfee;i="5400,1158,6277"; a="453867218"
X-IronPort-AV: E=Sophos;i="4.62,277,1297036800";
  d="dat'59?png'59,150?jpg'59,150,145?scan'59,150,145,208,145,59,150";a="453867218"
Received: from host81-134-22-40.in-addr.btopenworld.com (HELO mailclean.xxx) ([81.134.22.40])
  by mx.ptn-ipin01.plus.net with ESMTP; 07 Mar 2011 13:01:14 +0000
Received: from 127.0.0.1 (AVG SMTP 9.0.872 [271.1.1/3486]); Mon, 07 Mar 2011 12:33:31 +0000
Received: from 172.24.1.5 ([172.24.1.5])
by mailclean.xxx
with XWall v3.46 ;
Mon, 7 Mar 2011 12:33:18 -0000
Received: from MAILSRV.xxx ([172.24.1.5]) by mailsrv ([172.24.1.5])
with mapi; Mon, 7 Mar 2011 12:33:09 +0000
Content-Type: multipart/mixed;
boundary="_000_2BFC7A98054ABD4192152E248BAA3D060183B6173Cmailsrv_"
From: Anna Dacko- xxx <anna@xxx
To: Mike xxx <mike@xxx
Date: Mon, 7 Mar 2011 12:34:59 +0000
Thread-Topic: CK & LA PLU SALES
Thread-Index: AcvX9KAF+kO46CQgTHG2SRHHlGa/XwEz3GWg
Message-ID: <2BFC7A98054ABD4192152E248BAA3D060183B6173C@mailsrv>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator: <2BFC7A98054ABD4192152E248BAA3D060183B6173C@mailsrv>
acceptlanguage: en-US
MIME-Version: 1.0
X-XWALL-BCKS: auto
X-PN-Virus-Filtered: by PlusNet MXCore (v5.00)
X-PN-Spam-Filtered: by PlusNet MXCore (v5.00)
Subject: FW: CK & LA PLU SALES
X-Antivirus: AVG for E-mail 10.0.1204 [1435/3486]
X-AVG-ID: IDFD03AFC-6614AF49
Thanks for your input
ChrisL
Grafter
Posts: 733
Thanks: 2
Registered: 13-12-2007

Re: Is there an attachment Limit ?

Quote
Received: from host81-134-22-40.in-addr.btopenworld.com (HELO mailclean.xxx) ([81.134.22.40])
  by mx.ptn-ipin01.plus.net with ESMTP; 07 Mar 2011 13:01:14 +0000
Received: from 127.0.0.1 (AVG SMTP 9.0.872 [271.1.1/3486]); Mon, 07 Mar 2011 12:33:31 +0000
Received: from 172.24.1.5 ([172.24.1.5])
  by mailclean.xxx
  with XWall v3.46 ;
  Mon, 7 Mar 2011 12:33:18 -0000

I note that this step (from mailclean.xxx to mx.ptn-ipin01.plus.net) took nearly half an hour.  Something odd about this suggests that "mailclean.xxx with XWall v3.46" may have interfered with the message. Mailserve reports that there was an attachment ("X-MS-Has=Attach: yes"), and XWall is set to automatically block something ("X-XWALL-BCKS: auto"). If this is significant, then the attachment was lost before the message got to Plusnet.
HTH
Chris
Community Veteran
Posts: 26,657
Thanks: 884
Fixes: 10
Registered: 10-04-2007

Re: Is there an attachment Limit ?

The maximum total size of an email accepted by Plusnet is 100MB. This is for the message and for all attachments (not each individual attachment) and you also need to remember that emails are Mime encoded; this increases the size of the email so the effective maximum size is around 85MB. The size shown by the email client for the message is usually correct.
jelv (a.k.a Spoon Whittler)
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