by Reeshma Mathews | Sep 15, 2016 | cPanel, Plesk, Server Management, Technical Support
‘553 sorry, unknown email address’ is a common email error that happens because the recipient address is invalid. The senders would see this error in the bounce message they receive. Error 553 is also called SMTP Error 5.5.3 and can happen irrespective of...
by Reeshma Mathews | Sep 6, 2016 | cPanel, Plesk, Sendmail, Server Management, Technical Support
Debugging and fixing email errors is a common task we perform in our Outsourced Web Hosting Support services provided to shared server owners. Among the common mail server errors, ‘403 4.7.0 TLS handshake failed’ error happens when a sender tries to send...
by Visakh S | Aug 29, 2016 | Plesk
Mail errors are commonly encountered issues in our role as Website support specialists. In Plesk Windows servers, the default mail server is MailEnable. Plesk account owners sometimes report the MailEnable error ‘SMTP server response: 550 Requested action not...
by Reeshma Mathews | Aug 22, 2016 | Plesk, Server Management, Technical Support
Email Error 551 is an SMTP error commonly seen in MailEnable servers, and is seen in two forms: 551 Sender address is not valid for your login and 551 This mail server requires authentication before sending mail from a locally hosted domain MailEnable is widely used...
by Visakh S | Aug 20, 2016 | cPanel, Plesk
SMTP error from remote mail server after RCPT TO:<user@domain.com>: host domain.com [xx.xx.xx.xx]: 550-Please turn on SMTP Authentication in your mail client. 550-(mail.server.net) [xxx.xxx.xxx.xxx]:36825 is not permitted to relay through 550 this server without...
by Visakh S | Aug 13, 2016 | Plesk, Server Administration, Technical Support
In our role as Outsourced Tech Support for web hosts, we manage both Windows and Linux servers of our customers. In Windows Virtuozzo servers, one of the common errors reported by Odin Plesk web owners is “HTTP/1.1 New Session Failed”. All sites in the...
