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Re: [sendmail,perl] How to catch a mailer error [perl script as sendmail.cf mailer]

 
 
Andrzej Adam Filip
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      03-31-2008
"Christian" <(E-Mail Removed)> wrote:
> I have a Perl mailer called that way :
>
> Matmail P=/servers/apache/sites/atmail/savemsg.pl,
> F=lsDFMA5:/|@qSPhn9, S=EnvFromL/HdrFromL,
> R=EnvToL/HdrToL,
> T=DNS/RFC822/X-Unix, U=nobody,
> A=savemsg.pl $g $u
>
> Sometimes, I get the following error :
>
> Mar 31 07:32:14 black sendmail[25866]: m2V5WDq25860: to=<(E-Mail Removed)>,
> delay=00:00:00, xdelay=00:00:00, mailer=atmail, pri=32256, dsn=5.3.0,
> stat=unknown mailer error 255
>
> I cannot find any relevant system information about a problem at the time
> this error pops up. So here is my question : is there a way to catch a
> mailer error so that the message stays in the mail queue until it gets


"man perlfunc" states that "die" when $!==0 and $?==0 causes "exits with 255".
My guess would indicate uncaught "die" in your script perl as the most
likely culprit.

I would suggest you installing $SIG{__DIE__} handler function in your
perl to:
a) "translate" exit code 255 to a value sendmail recognizes
as listed in sysexits.h file e.g.
#define EX_SOFTWARE 70 /* internal software error */
#define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */

Exit code 75 would make sendmail queue message for future delivery.

b) emitting *short* problem description via STDERR (e.g. below 128 chars)

P.S.
The proper fix would be to create Sendmail::Carp CPAN module based on
CGI::Carp . Do you volunteer?

--
[pl>en: Andrew] Andrzej Adam Filip http://www.velocityreviews.com/forums/(E-Mail Removed) sip:(E-Mail Removed)
Open-Sendmail: http://open-sendmail.sourceforge.net/
The church saves sinners, but science seeks to stop their manufacture.
-- Elbert Hubbard
 
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