shopify traffic stats

At least twice a week some user will say they’ve emailed someone and they’re not get a response back from them.  The first thing I ask my user is if they’ve received an NDR (non delivery report) in their inbox.  If they say no then I jump on my mail server and run a simple telnet command to the destination domain mail server (which you can easily get from spam

telnet 25 (press enter)

If your email server is NOT blocked then you’ll usually receive a 220 message (which is good).  Any other message most likely means their mail service is blocking you.


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