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

[Timo Sirainen]

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?