MTA/Perl script for relaying only to Exchange-users

[Chris Stone]

milter-ahead is going to be a ton more efficient than any perl based
script. milter-ahead is written in C, supports caching and numerous indexed
or flat text file databases for the local cache.


Chris



On Fri, Nov 23, 2012 at 6:41 AM, Jonas Lilja <jonas.lilja at sigma.se> wrote:

>  Thanx all. As JC Woltz wrote, the script made an import from a regular
> text file and build mailhost.db in /etc/mail. Very easy to configure and
> effective.****
>
> ** **
>
> However, if that scripts has been obsolete, I’ll check that milter-ahead
> instead.****
>
> ** **
>
> If anyone here have that Perl-script (I think it was Perl-based) I would
> be happy because I know how it works. Is Milter-ahead easy to configure?
> (I’ll of course read the manual ;-) ****
>
> ** **
>
> BR /Jonas****
>
> ** **
>
> *Från:* mailscanner-bounces at lists.mailscanner.info [mailto:
> mailscanner-bounces at lists.mailscanner.info] *För *Glenn Steen
> *Skickat:* den 23 november 2012 04:41
> *Till:* MailScanner discussion
> *Ämne:* Re: MTA/Perl script for relaying only to Exchange-users****
>
> ** **
>
> IIRC this was never detailed in the main site, but rather in the wiki
> ()... Somewhere under the docs for the respective MTA...
>
> The script you refer to was most likely for Postfix, but ISTR someone
> adapting that for Sendmail use, but the bottom line is that nowadays...
> Neither MTA needs that hack. In Sendmail, use a milter (there are more than
> one that will do this, at least some that are FOSS;-), in Postfix use the
> docs for recipient verification as found in the postconf man page/ob the
> postfix.org site (it might still be in the sender address verification
> doc there... don't do that, just the recipient bit)... Or, as said, look in
> the wiki (might be slightly dated info there;-).****
>
> Having said all that, I personally still use a homegrown script around the
> open-ldap tools and postmap, more for historical reasons/lazyness tgan
> anything else. The reason for it all dates back to the time when I was
> protecting an Exchange 5.5 which was managed by a contrary fellow who
> wouldn't even try make it correctly reject unknown recipients. Now... I'm
> in charge of the Exchange bit too, and the defaults for that MTA has
> changed, so it will reject as expected (that too changed quite a few
> versions back...  In Exchange 2000, IIRC:-).****
>
> Cheers
> --
> -- Glenn****
>
> Den 21 nov 2012 23:24 skrev "Jonas Lilja" <jonas.lilja at sigma.se>:****
>
> Hi, for a couple of years ago there was a guide on mailscanner.info about
> restricting the MTA (Sendmail) to only deliver email to valid users in an
> Exchange environment. This made the performance of the server much better
> because either MailScanner or Spamassassin need to process invalid emails.
> ****
>
>  ****
>
> I remember that there was a perl-script which picked up the content from a
> textfile (with all smtp-addresses in the domain) and then build a special
> file in /etc/mail/****
>
>  ****
>
> I can’t find this guide on the site. Anyone who can help me?****
>
>  ****
>
> BR /Jonas Lilja****
>
>  ****
>
>  ****
>
>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
> Before posting, read http://wiki.mailscanner.info/posting
>
> Support MailScanner development - buy the book off the website!****
>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
> Before posting, read http://wiki.mailscanner.info/posting
>
> Support MailScanner development - buy the book off the website!
>
>


-- 
Chris Stone
AxisInternet, Inc.
www.axint.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.mailscanner.info/pipermail/mailscanner/attachments/20121123/43eee369/attachment.html