Tag: email
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The Dummy’s Guide to DMARC (Pt. 1 of 2)
Learn all about DMARC and secure your organization’s email!
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Testing an external mail server
There are times when I need to test the basic functionality of an external mail server (i.e. one I don’t control). Here’s a step-by-step process to perform some basic testing using telnet: Telnet to the remote server: telnet <server> 25 If it replies, you should get a response like: Trying <server>… Connected to <FQDN>. Escape character…