I'm getting the below from an email sent by a user.
Any idea what the cause is or what 451 4.7.1 Means?

It could mean just about anything:


10:29 11:10 SMTP-(0668003A) 451 4.7.1 Please try again later

Most likely, they have some type of spam control that requires you to keep re-trying the E-mail (hoping that a real spammer will go away and not bother coming back).


-Scott
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