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Sent mail rejected by recipient

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  • Ultima risposta di david

gridsleep
gridsleep
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Email that I am sending from Thunderbird is being rejected for no apparent reason by the recipient server. This is not due to an ISP or sending server security issue since, when I send exactly the same email from my ISP email web page (not Thunderbird) the email is received properly and accepted without error. So, the problem is most definitely with Thunderbird. The following is the header text from one of the rejection replies.

                  • quote************ 
- These recipients of your message have been processed by the mail server:

customer.help@theguardian.com; Failed; 5.3.0 (other or undefined mail system status) 

   Remote MTA aspmx.l.google.com: network error



- SMTP protocol diagnostic: 550-5.7.1 The user or domain that you are sending to (or from) has a policy that\r\n550-5.7.1 prohibited the mail that you sent. Please contact your domain\r\n550-5.7.1 administrator for further details. For more information, please visit\r\n550 5.7.1  https://support.google.com/a/answer/172179 i11-20020a05620a404b00b00775902632ffsi1357055qko.279 - gsmtp


Reporting-MTA: dns; altprdrgo06.altice.prod.msg.synchronoss.net Received-from-MTA: dns; [192.168.1.4] (69.114.99.63) Arrival-Date: Thu, 30 Nov 2023 11:42:56 -0500

Final-Recipient: rfc822; customer.help@theguardian.com Action: Failed Status: 5.3.0 (other or undefined mail system status) Remote-MTA: dns; aspmx.l.google.com


unable to email to you.eml Subject: unable to email to you From: Kurt Faasse <kurtfaasse@optonline.net> Date: 11/30/2023, 11:42 AM To: customer.help@theguardian.com

Unable to get email through to your server. test.


-- This email has been checked for viruses by AVG antivirus software. www.avg.com

                                  • unquote********************

Do not reply that his is an issue with my ISP. It is not. It is purely a Thunderbird issue. Thanks for your time.

Email that I am sending from Thunderbird is being rejected for no apparent reason by the recipient server. This is not due to an ISP or sending server security issue since, when I send exactly the same email from my ISP email web page (not Thunderbird) the email is received properly and accepted without error. So, the problem is most definitely with Thunderbird. The following is the header text from one of the rejection replies. *********quote************ - These recipients of your message have been processed by the mail server: customer.help@theguardian.com; Failed; 5.3.0 (other or undefined mail system status) Remote MTA aspmx.l.google.com: network error - SMTP protocol diagnostic: 550-5.7.1 The user or domain that you are sending to (or from) has a policy that\r\n550-5.7.1 prohibited the mail that you sent. Please contact your domain\r\n550-5.7.1 administrator for further details. For more information, please visit\r\n550 5.7.1 https://support.google.com/a/answer/172179 i11-20020a05620a404b00b00775902632ffsi1357055qko.279 - gsmtp Reporting-MTA: dns; altprdrgo06.altice.prod.msg.synchronoss.net Received-from-MTA: dns; [192.168.1.4] (69.114.99.63) Arrival-Date: Thu, 30 Nov 2023 11:42:56 -0500 Final-Recipient: rfc822; customer.help@theguardian.com Action: Failed Status: 5.3.0 (other or undefined mail system status) Remote-MTA: dns; aspmx.l.google.com unable to email to you.eml Subject: unable to email to you From: Kurt Faasse <kurtfaasse@optonline.net> Date: 11/30/2023, 11:42 AM To: customer.help@theguardian.com Unable to get email through to your server. test. -- This email has been checked for viruses by AVG antivirus software. www.avg.com *****************unquote******************** Do not reply that his is an issue with my ISP. It is not. It is purely a Thunderbird issue. Thanks for your time.

Tutte le risposte (1)

david
david
  • Top 10 Contributor
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This error generally happens when the sender cannot be confirmed as the appropriate sender. That can happen if you have SMTP server with no authentication or where the account email address does not match the email address in the SMTP setup. This is not a Thunderbird issue, it is an incorrect setup issue. This would happen, regardless of which email client you used if you had the same settings. If you need further assistance, please post screenshots of your SMTP server setup and your account setup. Thank you.