If you are getting error while sending email from your plesk server using outlook
Send test e-mail message: Your outgoing (SMTP) e-mail server has
reported an internal error. If you continue to receive this message, contact
your server administrator or Internet service provider (ISP). The server
responded: 451 qq internal bug (#4.3.0)
To eliminate this problem, stop Qmail process and replace qmail-queue, qmail-local and qmail-remote with... [ Continue reading... ]
This error is because of a bug in cpanel theme "x"
If you get below error when deleting forwarder in your cpanel
email@domain.com=email@hotmail.com's mail will no longer be redirected to .
Fatal! Write Failure: /etc/valiases/hotmail.com. Ignore any messages of success this can only result in failure!
Solution:
To solve this problem, just change the theme of your cpanel from "x" to "x3" and then try to delete forwarder. It should be... [ Continue reading... ]
First verify that these setting have not already been customized, as running the commands will overwrite any changes they have made. The following command will show you whether those files exist:
ls /var/qmail/control | egrep 'timeoutremote|timeoutsmtpd|concurrencyremote'
Run following command to update limits
echo "120" > /var/qmail/control/timeoutremote
echo "120" > /var/qmail/control/timeoutsmtpd
echo "40" >... [ Continue reading... ]