On Fri, 13 Nov 2009, John Hardin wrote:
> Is there a way to configure sendmail to also validate both the envelope
> sender and message From: header against the local passwd file?
Checking the envelope sender (for local domain addresses) against the
local passwd file is straightforward. Checking the From: header is
do-able but would require writing custom rules. (there is a mechanism
for crafting explicit per-header rules.)
For either check you need to provide a broader scope to allow things
such as aliases (which usually aren't in your passwd file). Normally
you only do the local passwd file check at actual delivery time.
--
Dave Funk University of Iowa
<dbfunk (at) engineering.uiowa.edu> College of Engineering
319/335-5751 FAX: 319/384-0549 1256 Seamans Center
Sys_admin/Postmaster/cell_admin Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{
