+++ Tamas TEVESZ [exim-users] <26/09/01 07:09 +0200>:
> On Wed, 26 Sep 2001, Odhiambo Washington wrote:
> > 552 5.6.0 Headers too large (32768 max)
>
> the max header size is a compile-time option; never tried what it is
> for or what happens if its exceeded though. if i wanted to know if it
> can be set runtime, i'd grep for "headers_max" or "max_headers" :)
See, there are two reasons for headers getting that large -
1. A mail loop of some kind
2. An attempted buffer overflow exploit (like a HELO of > 1024 characters)
Neither of which is a very compelling reason to accept such a mail.
--suresh
- --
Suresh Ramasubramanian <----> mallet <at> efn dot org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin
