Re: Protecting against other peoples broken mailers

>> We limit message size to 4 Mbytes. Although its an arbitary figure, its
>> probably best to use ftp for files bigger that this.
> Bear in mind that although setting message_size_limit in Exim will stop the
> input/<msgid>-D files getting (much) bigger than that, the accepting process
> still has to suck the remainder across the wire before giving a 552 error,

Sounds like you want exim to talk ESMTP !