Re: [Courier-imap] =?UTF-8?B?Im1heA==?= atom size too =?UTF-8?B?c21hbGwi?= during UID FETCH w/ lots of messages

[Sam V. <mr...@co...>]

Laurentiu C. Badea (L.C.) writes:

> 
> My client issues an UID FETCH followed by a list of messages. If the list is 
> too long (not as in number of messages, but in size of the UID list string), 
> imapd will die with
> 
> * BYE [ALERT] Fatal error: max atom size too small: Bad file descriptor
> 
> I ran an strace and noticed that this invariably happens when the size of 
> allocated heap exceeds 16K during reading of the UID list.
> 
> My question is, is this a limitation of IMAP4 or courier-imap ? Either way, 

There is no explicit limit defined in IMAP4.  Servers are free to set any 
reasonable limit, and IMAP clients should not issue unreasonably long 
commands.

> I'd appreciate any pointers how to get around this.

Fix the IMAP client.  IMAP clients should not spew forth long chunks of goo, 
like that.