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 9, 2016 | cPanel, Server Management
550 email errors happens due to a multitude of reasons, ranging from a non-existing mail account to a wrongly added mail server rule. Today, we’ll discuss the error ‘550-Unrouteable address’ based on the various scenarios we’ve noticed them...
by Reeshma Mathews | Sep 7, 2016 | cPanel, Server Management
‘550 Relay Not Permitted’ is a common error message in email programs when users attempt to send mails without proper authentication. This is a security measure to protect mail server from open relay. In our role as Support Engineers for web hosting...
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 Reeshma Mathews | Aug 31, 2016 | cPanel, DirectAdmin
Managing and troubleshooting mail servers forms a vital part of the Outsourced Website Support services we provide to shared server owners. Among the common mail server errors, 421 is a common one that happens due to ‘too many concurrent SMTP connections’....
by Reeshma Mathews | Aug 25, 2016 | cPanel, Technical Support
Secure transmission of data requires encrypting the data in many ways. Ciphers are the tools used for data encryption. RC4 is one such cipher. RC4 generates a stream of pseudo-random bits. These bits are combined with plain text using ‘bit-wise...
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