

The recipient then downloads this mail using his email client.īut this email relay process can be affected and mail delivery failures can happen due to temporary issues such as hitting mail limits, DNS errors, unreachable mail severs, etc. The mail, once accepted by the recipient mail server, reaches the recipient’s inbox.

This mail server connects to the recipient’s mail server via internet and transmits the email. When a sender attempts to send an email, the sender’s email client first connects to the sender’s mail server.

What causes error “451 Temporary local problem”? Today we’ll see the causes for this error, various error messages shown and the fixes for those. Our Support Engineers provide tech support & server management for many hosting companies, and we’ve seen several variants of this error. ‘ 451 Temporary local problem‘ is one of the most commonly reported email errors in web hosting servers.
