• Email Protection auto generated MTA Firewall Rule
    jtaylor
    Hi, I can't seem to find a clear answer as to why the auto generated MTA firewall rule is needed. As I understand it, in MTA mode emails are being 'handled' by the firewall rather than just traffic passing...
  • Sophos MTA DKIM Verifizierung
    Patrick81
    Schönen guten Morgen an euch alle! Ich kämpfe zur zeit bei dem ein oder anderen Kunden mit folgendem Thema. Es laden Mails in der Mail-Quarantäne, die laut Mail Protokoll abgelehnt wurde mit dem Grund...
  • XG MTA to Office 365 Connector “Empty Certificate”
    AndersK
    I’m trying to move Office 365 connector authentication from IP-address to certificate. A Let’s Encrypt certificate has been created (on SFOS 21) and added to the SMTP TLS configuration under the Email...
  • Firewall Email Protection Logs Empty
    Trio Fandi
    Hi, I just installed a Mailcow mail server, add Firewall rule to allow SMTP services and DNAT + SNAT to our mail server. It's works both inbound and outbound email delivery. Now I try to configure...
  • Setting up exceptions for sites
    Valeriy Korobka
    Hello. I am starting to get acquainted with Sophos Firewall sf01v (sfos 21.0.0 ga-build169). I have configured blocking of sites (for testing I have prohibited access to facebook.com). Tell me how to configure...