Recipient verification to Exchange milter

[Michael Mansour]

Hi Donald,

donald.dawson at bakerbotts.com wrote:Message     Are  you referring to spam-backscatter @ http://www.elandsys.com/scam/scam-backscatter/ ?
  
 Yes, I've been using it for about a year now and it works perfectly.

The new version which I'm hanging out for will have native support for mailertable.

Where at the moment an admin has to define and manage a separate conf file per recipient checked domain (and a socket), the new version will just use sendmail's mailertable to query the remote smtp server (which should also work for multiple remote smtp queries for failover).

Another benefit of that feature is that it can do it all against one sendmail socket, saving system resources like memory and cpu.

IMHO, it's the most powerful recipient checker out there, I use it to check against internal users and remote SMTP servers (which are usually Exchange).

Regards,

Michael. 

    
   -----Original Message-----
From:    mailscanner-bounces at lists.mailscanner.info    [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of    Michael Mansour
Sent: Tuesday, November 27, 2007 11:51    PM
To: MailScanner discussion
Subject: Re: Recipient    verification to Exchange milter


Hi,

Matt    Kettler <mkettler at evi-inc.com> wrote:   donald.dawson at bakerbotts.com      wrote:
> Please let me know you experience with an Exchange email      recipient 
> verification tool (e.g. milter to sendmail).
>      
> Below are some versions I know of. Any success, problems or input      
> regarding this list, or others you might know of?
> 
>      We are running four inbound MX servers with sendmail version 8.14.1, MS      
> version 4.62.9 and SA version 3.002002.
> 
> Pay      Version:
> 
> _http://spamfree.ru/spamfree/_ - $299      enterprise
> 
> Free versions:
> 
>      _http://www.five-ten-sg.com/dnsbl/rn01re01.html_
> 
>      _http://spamlinks.net/filter-server-addon.htm#sendmail_
> 
>      _http://smfs.sourceforge.net/smf-sav.html_ - free version of 
>      spamfree.ru/spamfree
> 
>      _http://www.milter.info/sendmail/milter-ahead/_ - previous experience      
> with milter-null was frustrating since it took so long to update      LibSnert.

Note: milter-ahead isn't free, it's one of 4 of the      snertsoft milters that costs 
money. a site license is 90      euros:

http://www.snertsoft.com/download.php


You might      also wish to read this thread about sms-sav vs      milter-ahead:

http://search.gmane.org/?query=OT%3A+performance+smf-sav+vs+milter-ahead&group=gmane.mail.virus.mailscanner
I    flicked both of these options and went for scam-back, which has the added    features of doing the recipient checks against _any_ remote smtp server (admin    definable).

scam-back is also open source and c-coded, so is fast. It    works with sendmail as a milter.

Regards,

Michael.
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