Exchange 5.5 relay
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Thread: Exchange 5.5 relay

  1. August 22nd, 2003, 12:20 PM #1
    tk421
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    Exchange 5.5 relay

    question about internet mail relaying:

    I closed off our exchange 5.5 server from relaying UCE mail. well, almost. The trouble is, it doesn't relay the mail, but it still accepts it. at any given time, i can look at my outbound queue in the exchange server, and find about 30 emails to dubious destinations, with "<>" as the Originator.

    What's the best way to stop my server from even accepting these emails for delivery? Do have have to setup SMTP authentication?

    Thanks!
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  2. August 22nd, 2003, 03:05 PM #2
    gizmo1_1
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    SMTP authentication would probably be the most roebust solution. You can also setup the properties of the SMTP server to only accept connections by IP address etc........
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  3. August 22nd, 2003, 03:30 PM #3
    silencio
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    I went with authentication and it works well. If you have dialup clients sending through your SMTP server it's tough to enable IP authentication and it's not as secure.
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