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thorbenw

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About thorbenw

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  1. thorbenw

    Rejecting messages during delivery

    Great, thank you!
  2. Hi, in the FAQs, 'Why are autoresponders bad?' you say 'Configure your software to either reject messages during delivery or accept them permanently.' Good idea, we'd like to do so by rejecting all messages sent to 'unknown' users using the 'Filter recipients who are not in the Directory'-Checkbox in an Exchange 2003 Frontend-Server with SP2 installed. BUT: In the corresponding Help-Topic, Microsoft say 'Caution! Enabling this check box can potentially allow senders of unsolicited commercial e-mail to discover valid e-mail addresses in your Exchange organization, because during the SMTP session, the SMTP virtual server sends different responses for valid and invalid recipients.' AFAIK, this is true. Is there a way to make Exchange respond the same way for valid and invalid recipients? Best regards Thorben
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