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My sender says his email is blocked by our server. Info on 'blocking a sender" says Mozilla does not block senders. What can be happening?

Georgeann
Georgeann
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My sender says his email is blocked by our server. Info on 'blocking a sender" says Mozilla does not block senders. Plus I have never tried to block a sender. What can be happening? I did add his email to my address book, which I think should tell the system he is OK. Here is a copy&paste from his email: This is what I get back. Her mail server is blocking me.

Bob, KC8BOB

Original Message-----

From: Mail Delivery System mailto:no-reply@cableone.net Sent: Sunday, April 7, 2019 3:07 PM To: bobnstar@cableone.net Subject: Mail Delivery Failure

This message was created automatically by the mail system (ecelerity).

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

>>> kb3pgn@reagan.com (after RCPT TO): 554 5.7.1 >>> <bobnstar@cableone.net>: Sender address rejected: Blocked by this >>> recipient

My sender says his email is blocked by our server. Info on 'blocking a sender" says Mozilla does not block senders. Plus I have never tried to block a sender. What can be happening? I did add his email to my address book, which I think should tell the system he is OK. Here is a copy&paste from his email: This is what I get back. Her mail server is blocking me. Bob, KC8BOB -----Original Message----- From: Mail Delivery System [mailto:no-reply@cableone.net] Sent: Sunday, April 7, 2019 3:07 PM To: bobnstar@cableone.net Subject: Mail Delivery Failure This message was created automatically by the mail system (ecelerity). A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: >>> kb3pgn@reagan.com (after RCPT TO): 554 5.7.1 >>> <bobnstar@cableone.net>: Sender address rejected: Blocked by this >>> recipient

Chosen solution

I believe it is referring to the server at reagan.com rejecting the message. Why? I don't know, you could check with the mail service provider on why it's happening.

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
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Chosen Solution

I believe it is referring to the server at reagan.com rejecting the message. Why? I don't know, you could check with the mail service provider on why it's happening.