Customize NDR for large messages?

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Customize NDR for large messages?

Paul Hutchings
Is it possible (for a novice who knows nothing about source code mods)
to customize the bounce generated by a message that is larger than the
size accepted under message_size_limit please?

Instead of simply saying "too large" we would like to add a sentence
saying "please visit http://xyx" which would detail how they could send
us the data.

Cheers!


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Re: Customize NDR for large messages?

Wietse Venema
Paul Hutchings:
> Is it possible (for a novice who knows nothing about source code mods)
> to customize the bounce generated by a message that is larger than the
> size accepted under message_size_limit please?

No. In fact, if the message is rejected during the inbound SMTP
session, the NDR is sent by the client not Postfix.

> Instead of simply saying "too large" we would like to add a sentence
> saying "please visit http://xyx" which would detail how they could send
> us the data.

If you are running a recent version of Postfix the reply will not
simply be "too large" but it should also include the enhanced status
code of 5.3.4, which some mail clients translate into human language.

        Wietse
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RE: Customize NDR for large messages?

Paul Hutchings
Ah damn of course I'm not thinking am I, the client gets the size from
the HELO/EHLO info - thanks for that, obvious when you have your memory
jogged!

-----Original Message-----
From: Wietse Venema [mailto:[hidden email]]
Sent: 15 November 2008 16:16
To: Paul Hutchings
Cc: postfix users list
Subject: Re: Customize NDR for large messages?

Paul Hutchings:
> Is it possible (for a novice who knows nothing about source code mods)
> to customize the bounce generated by a message that is larger than the
> size accepted under message_size_limit please?

No. In fact, if the message is rejected during the inbound SMTP
session, the NDR is sent by the client not Postfix.

> Instead of simply saying "too large" we would like to add a sentence
> saying "please visit http://xyx" which would detail how they could
send
> us the data.

If you are running a recent version of Postfix the reply will not
simply be "too large" but it should also include the enhanced status
code of 5.3.4, which some mail clients translate into human language.

        Wietse

--
MIRA Ltd

Watling Street, Nuneaton, Warwickshire, CV10 0TU, England.

Registered in England and Wales No. 402570
VAT Registration  GB 114 5409 96

The contents of this e-mail are confidential and are solely for the use of the intended recipient.
If you receive this e-mail in error, please delete it and notify us either by e-mail, telephone or fax.
You should not copy, forward or otherwise disclose the content of the e-mail as this is prohibited.