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Mail server responded 4.7.1 sender address rejected

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  • Èsì tí ó kẹ́hìn lọ́wọ́ apollos70

apollos70
apollos70
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I've been using this email account for years with no problem. Nothing has changed in my settings for the account. When I attempt to send messages today, I get "An error occurred wile sending mail. The mail server responded: 4.7.1 <email account>: Sender address rejected: Access denied. Please check the message recipient <email account> and try again.

I've checked and double-checked all settings and don't find a problem. The error message is confusing since it say my Sender address was rejected, but then tells me to check the recipient address.

Thanks in advance for your help.

I've been using this email account for years with no problem. Nothing has changed in my settings for the account. When I attempt to send messages today, I get "An error occurred wile sending mail. The mail server responded: 4.7.1 <email account>: Sender address rejected: Access denied. Please check the message recipient <email account> and try again. I've checked and double-checked all settings and don't find a problem. The error message is confusing since it say my Sender address was rejected, but then tells me to check the recipient address. Thanks in advance for your help.

All Replies (2)

apollos70
apollos70 Ìbéèrè olóhun
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I appreciate the reply, but I've checked and re-checked the settings. When I first set up the account about two years ago the servers were pop.mailserver and smtp.mailserver. Since I posted the question here, I've been researching the problem and the ISP has changed those setting both to mail.mailserver using different ports. They say I need to add an exception to the Security Certificates but Thunderbird has not yet found that server. I've asked them for advice, but haven't heard back.

Thanks again for the response. If you can't help with the exception issue, I'll just mark this as closed.

apollos70
apollos70 Ìbéèrè olóhun
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Thanks for the suggestion, but the ISP's configuration instructions says to add the exception. That said, I just tried sending again, and the message went through without the exception being added. I'm beginning to suspect the ISP had an issue which took longer to resolve than it should have.

Thanks for your time and help. No further response needed at this time.