Exchange POP3 and IMAP Only Respond from 127.0.0.1 Localhost
If your Exchange server’s IMAP or POP3 protocol are enabled and the service is running, yet the IMAP banner only […]
Prevent Phishing/Spoofing by Using SPF (Sender Policy Framework) Enforcement with Exchange Server & ESET
Phishing can be more easily identified when the e-mail sender is coming from an unknown e-mail address or domain, but […]
AT&T, Comcast and Reverse DNS PTR Request
Reverse DNS PTR records are necessary in order to get e-mail relayed successfully. Without a valid PTR record, most […]
How to Stop E-Mail Spam for Good Using Exchange/Office365 Whitelist
SPAM and UCE (unsolicited commercial E-mail) is the bane of the Internet and E-Mail world. After using dozens of technologies […]
Exchange Server Shows Wrong Build Version After Update
After updating Exchange or installing a cumulative update, you may be using the get-exchange server command to check if the […]