1. O

    [SOLVED] Address Verification Database

    Hello, I'm looking at the address verification database and trying to understand how it works. From my understanding, it checks the backend server (Exchange 2010 in my scenario) to see if the recipient exists. If it doesn't, then it blocks sending it to the backend once the address has been...
  2. R

    Problem with Verify Receivers and bounce message / Recipient address lookup failed

    Hello, I use proxmox mail gateway as a relay server. The final mail server is a postfix server. I enabled the verify receivers and set it to Yes (550) on PMG. I tested with some test e-mail: 550 5.1.1 <>: Recipient address rejected: undeliverable address: Recipient address...
  3. T

    Reihenfolge von "Verify Receivers" und den Filtermethoden der Attachments

    Hi, beim Testing ist mir aufgefallen, dass wenn man eine eMail mit einem Virus oder unerwünschtem Dateianhang an einen unbekannten Empfänger einer Domain sendet, diese eMail in die Quarantäne verschoben wird, obwohl die Ziel eMail Adresse gar nicht vorhanden ist, für diese Domain. Wenn man...


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