Tag: Spam

Require SPF Pass for selected senders | Exchange 2013 – 2016

Block spoofed email – Part 2 | Exchange 2010 – 2016

Block spoofed email – Part 1 | Exchange 2010 – 2016

Spoofed email display name | Exchange 2016

Exchange 2013, 2016 – Zen Spamhaus RBL not working

SPF PTR Mechanism

Exchange 2010, 2013, 2016 – Delete virus email from mailboxes using Search-Mailbox

Check for open relay using PowerShell

Exchange 2007, 2010, 2013, 2016: Reverse DNS configuration

Internal email relay: Mailbox unavailable: The server response was: 5.7.1 Sender ID (PRA) Not Permitted

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