Vicious Circle

Julian Field MailScanner at ecs.soton.ac.uk
Sat Mar 5 21:51:48 GMT 2005


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Vlad Mazek wrote:

> David H. wrote:
>
>>
>> milter-ahead or milter-sender are your friend. If they are not to your
>> liking
>> you may implement your own milter using the Perl Milter API. Using
>> those three
>> techniques or LDAP based routing/lookups for sendmail you can easily
>> avoid the
>> bounces :)
>>
> I sincerely apologize for my ignorance ahead of time, this is really not
> meant to start a flame war:

We don't do flame wars here :-)

> Is maintaining a list of valid recipients on a gateway really that big
> of a problem that you have to run around your systems compiling and
> configuring various milters? We have thousands of clients that run
> everything from pif to Exchange and the subject of verifying recipients
> has not come up once in over five years - just add them to the gateway
> when you make their mailbox.

You only need to install the milters on your MX's, so it's not that big
a job. It comes down to the difference between a little bit of
maintenance (keeping the gateway lists up to date and accurate) and no
maintenance at all (using a milter).

>
> -Vlad
> ExchangeDefender.com
>
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