"kjmac308" wrote in message
...
my emails keep coming back to me saying" service administrator unable to
deliver", how can I reply to these emails without issues as mentioned?


Because those senders used an invalid e-mail address in the Reply-To header.
That means you are attempting to reply to an e-mail address that doesn't
exist. Copy the e-mail address in the From header and replace that in your
reply's To field, and tell the recipient that they need to fix their
Reply-To header.

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