Querying other SMTP server for valid addresses?

David H. dh at UPTIME.AT
Fri Nov 19 14:50:21 GMT 2004

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Hash: RIPEMD160

Garry Glendown wrote:
| Hi,
| I'm running MS for several domains, some of which are receiving
| tremendous amounts of spam for non-existent mail addresses. As the
| domain itself is handled on another MX, I do not have (and probably
| never will) a list of valid recipients - is there a way to set something
| up that will do an MTA check upon receiving a message whether the
| recipient does exist, and then accept (or deny) the message on MTA level?

Look at LASER LDAP routing (the sendmail site has a good tip) or milter-ahead
on snert.com/software

- -d
Version: GnuPG v1.3.6 (Darwin)


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