[Dovecot] Size limit for a single mail in the IMAP store?

[Ralf Hildebrandt]

* Timo Sirainen <tss at iki.fi>:
> On Tue, 2010-08-31 at 15:17 +0200, Ralf Hildebrandt wrote:
> > Postfix has "message_size_limit = 26214400", but that doesn't keep my
> > users from sending huge messages which canot be sent, but can be
> > stored in the IMAP "Sent" folder.
> > 
> > Is it possible to set a size limit for the size of a single mail?
> 
> No, other than what quota restricts. IMAP restricts mail sizes to 4 GB,
> but Dovecot actually allows larger sizes (I've never tried it though).
> Why do you need this?

Exchange does it that way :)

We're encountering problems with the migration from Dovecot ->
Exchange, because users can generate huge emails in Sent and Drafts
(which are never sent out, due to the size restrictions - but they're
in these folders). These messages cannot be migrated because they
exceed the maximum size Exchange will accept.

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | http://www.charite.de