Solve the problem that the message was undeliverable. All servers failed to receive the message is returned when jmail sends an email.

Source: Internet
Author: User

My website uses the jmail component to send email notifications to visitors. It has been used for more than one year and can be sent until these days cannot be sent. The error message is:
Jmail. Message error '8000ffff' the message was undeliverable. All servers failed to receive the message

According to the information, this process is ASP.ProgramCodeThe jmail component is called to send various information about the emails to be sent to the mail server (mail server, or mail service program, such as mdeamon, IMail, and winwebmail) through the jmail component ), the mail server actually sends an email to your destination. this error is not produced by ASP code. The root cause is that the mail server rejects the jmail request. the reason is that the server does not provide the SMTP service or has not enabled the SMTP service, or the/'prohibit Mail Relay Service/'option is enabled on the server, that is to say, a program that is not in its allowed IP segment or a specified range of space cannot use its SMTP service, resulting in a/'8000ffff/'error.

 

Finally, check the server and find that the domain name cannot be resolved on the server. As a result, the IP address of the sending server cannot be found! Therefore, an error occurs.

After the DNS of the server is corrected, the problem is solved smoothly.

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