Unable to receive a mail from outside mail id's with size more than 13 MB

anil.gupta3 · ‎08-11-2014

Dear All,

We have configured Ironport Email Security Device to accept the mail size of 20MB file as a attachment (including configuration in HAT relay and accept profile).

After Configuration, User are able to receive mail with attachment of 13MB or less but when Mail attachment increased more than 15MB, user is not receiving mail. Sender receiving Diagnostic-Code: smtp;450 5.2.3 Msg Size greater than allowed by Remote Host as error.

I am not getting any log on the Ironport ESA appliance for droping the connection. Below is Ironport device details and software version running.Any help is appreciated.

Ironport Device Details:-
Device Details :- IronPort C160
Software Version:- 7.6.3-019

I have attach the error which I am getting @ sender end.

Delivery to the following recipient failed permanently:

xyz@abc.ae

Technical details of permanent failure:

Google tried to deliver your message, but it was rejected by the server for the recipient domain abc.ae by mail.abc.ae. [x.x.x.x].

The error that the other server returned was:

552 size limit exceeded

----- Original message -----

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;

d=gmail.com; s=20120113;

h=mime-version:in-reply-to:references:date:message-id:subject:from:to

:content-type;

bh=jpjhOgAD0roDbYxOYUIHh7wKxXjsnJs1cdggHXcjjVc=;

b=twZFTC9jj5VEtxoqCGjVldgnnGYUXUMkAucF6xcy58lSbw3MOE3oNFoOgLyuiYXt2q

54V/V8sbwxF5el5CEI+gjEWrpLAbk9342im9aK1h+9SU7KLQk7WrZokL195qbFveqNcK

1F2eMIW76b2nOIp3BHV6VS086/hMnNzAyt2AuSOhErjwar+AkB3+eyTWwWKHkBxDH0sw

tQpkvZbc46aq5nswsAG1nIgJyTOkG+idMgAqCEsWBLTeinMT095NB8hQv6TP4LRjWEka

mgj5yG+gQC9qiSjNm7UYv4X0OmGuN8VIWqdlHhH1DZbusInTozOgIqcnQDnb9fawmqrp

81MA==

MIME-Version: 1.0

X-Received: by 10.152.42.135 with SMTP id o7mr7544666lal.77.1407757479558; Mon, 11 Aug 2014 04:44:39 -0700 (PDT)

Received: by 10.112.85.101 with HTTP; Mon, 11 Aug 2014 04:44:36 -0700 (PDT)

In-Reply-To: <089e0122f36e8840c7050058eb31@google.com>

References: <CAEE_E-T=wa6DO5e36qMmORTah1UUVBmG5ecoA587pzwUs1JzOw@mail.gmail.com>

<089e0122f36e8840c7050058eb31@google.com>

Date: Mon, 11 Aug 2014 15:44:36 +0400

Message-ID: <CAEE_E-Q1pjttuiaVqzX1u0S+8+byZgO32SYOLuOf6NmwXOfjZA@mail.gmail.com>

Subject: Fwd: Delivery Status Notification (Failure)

Bob Fayne · ‎08-11-2014

You should check all your HAT Mail Policies to see what size is set. Check Mail Policies -> Mail Flow Policies and check each policy for the max message size. Make sure you select the right listener and don't forget the Default policy. Chances are that one of them have the lower setting.

While it is possible to bounce messages over a certain size with Content Filters and Mail Filters, usually the HAT Mail Policies is what you want to check first.

You can also confirm which Sender Group they ended up in from Message Tracking. Then select Mail Policies -> Hat Overview and check the Policy to the right of the Sender Group name. Message tracking will tell you the specific reason why a message got bounced.

anil.gupta3 · ‎08-11-2014

Hi,

I checked everywhere including HAT Mail Policies (i.e. Relay, Accept, throtles) which I set to limit of 20MB from 10MB. I have created a Imcoming mail policy for particular user and disable antispam, Antivirus, content filtering and virus outbreak for troubleshooting.

below is a output of same through EHELO to server which show maximum size accepted by Email server i.e. Ironport ESA is 2097520 i.e. 20MB.

250 SIZE 20971520

Resolving hostname...
Connecting...
SMTP -> FROM SERVER:
220 mail1.abc.ae ESMTP
SMTP -> FROM SERVER: 
250-mail1.abc.ae
250-8BITMIME
250 SIZE 20971520
MAIL FROM: a4@gmail.com
SMTP -> FROM SERVER:
250 sender  ok
RCPT TO: xyz@abc.ae
SMTP -> FROM SERVER:
250 recipient  ok
Sending Mail Message Body...
SMTP -> FROM SERVER:
354 go ahead
SMTP -> FROM SERVER:
250 ok:  Message 3262478 accepted
Message completed successfully.

Robert Sherwin · ‎08-18-2014

Is the end system Exchange? What is the receive connector - MaxHeaderSize, etc.?

-Robert

Cheers,
Robert Sherwin