If you receive this error when adding a domain: Unable to send notification: mail() failed: SMTP server response: 550 Requested action not taken: mailbox unavailable or not local then you need to add a valid mailbox to your Plesk admin setup. To resolve this issue log into Plesk and click on: Server Edit (under personal… Continue reading Mailbox unavailable or not local error messages – Plesk
Tag: SMTP
cPanel required ports list
Cpanel required ports list User Opinions ( ) How would you rate this answer? Helpful Not helpful Help us improve. Why was this unhelpful? Thank you for rating this answer. Port Service Protocol Direction Notes 20 ftp tcp inbound/outbound 21 ftp tcp,udp inbound/outbound 22 ssh tcp inbound 25 smtp tcp inbound/outbound 26 smtp tcp inbound/outbound… Continue reading cPanel required ports list
Disabling SMTP Tweak – cPanel
The SMTP tweak will prevent users from bypassing the mail server to send mail (this is a common practice used by spammers). It will only allow the MTA (mail transport agent), mailman, and root to connect to remote SMTP servers. In order words, users will need to use ‘localhost’ as their SMTP server for local… Continue reading Disabling SMTP Tweak – cPanel