Articles in this section

• Unable to connect to Mailbox via Roundcube webmail or any email client via IMAP if Plesk Premium Email is installed: Connection failed
• Unable to create a new mailbox on a server with SmarterMail: Incorrect Content-Type: must be textual to extract_string, JSON to extract_json
• Unable to send email to Gmail: This message does not pass authentication checks (SPF and DKIM both 550-5.7.26 do not pass)
• Incoming emails are not delivered on Plesk server: /usr/bin/deliverquota: No such file or directory
• Unable to send emails to Mailman mail list: Recipient address rejected: User unknown in virtual mailbox table
• RoundCube shows error when sending email with attachment: An error occurred: Request timed out
• How to enable additional webmail logging on Plesk server?
• Unable to reissue certificate for webmail when SSL/TLS support disabled: An error happened while reissuing the certificate: Validation failed
• Unable to send emails or create a mailbox: Error: mailmng-outgoing failed: ERROR:outgoing:mails.domain_id may not be NULL
• Unable to send message from Roundcube: SMTP Error (-1): Connection to server failed