Attempts to send emails to X have failed

I am receiving all emails from quora and some other websites without any problem. Yet for some forums I get the message Attempts to send emails to X have failed . What could be the reason for the email delivery error.

This is surprising because never witnessed this before. You should try asking admin of the website.

This could be caused by a variety of reasons, such as: 1. The email address you are trying to send to is incorrect or invalid. 2. The email server for the recipient's domain is rejecting your emails. 3. The recipient's server is blocking your emails due to suspicious content. 4. Your email server is being blocked by the recipient's server. 5. Your domain name is not properly configured. 6. Your email marketing practices are in violation of the recipient's anti-spam policies. 7. The recipient's inbox is full and cannot accept any new emails. 8. The recipient's server is experiencing technical difficulties. 9. The recipient's email address is marked as spam. 10. You are sending too many emails to the same recipient too quickly.

I am not receiving the verification email from Namepros for my account, and I cannot post on it for selling my domains. I am not sending anyone emails, only not receiving them.

timewo said:

I am receiving all emails from quora and some other websites without any problem. Yet for some forums I get the message Attempts to send emails to X have failed . What could be the reason for the email delivery error.

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Probably you tried to login from another device