[ On Thursday, March 4, 2004 at 11:20:31 (-0800), Tor Slettnes wrote: ]
> Subject: [Exim] Matching the NUL character in PCREs (exiscan 'regex')
>
> I have a problem I believe must be fairly common, but have not found an
> optimal solution.
>
> I deliver mail to Cyrus via an LMTP socket. Cyrus rejects mail with NUL
> characters. Thus, I want to use a PCRE (specifically, a Exiscan-ACL
> "regex" statement) to reject incoming mails with such characters, as
> follows:
>
> deny message = Message contains NUL characters.
> regex = \000
I've never tried the octal version of NUL, but the hexidecimal version
seems to work, at least with PCRE-4.5:
\x00
--
Greg A. Woods
+1 416 218-0098 VE3TCP RoboHack <woods@???>
Planix, Inc. <woods@???> Secrets of the Weird <woods@???>
