Email and Fetching - Page 4

Emails give 'Excessive errors processing emails' with 'Invalid header value detected'. Specific client emails fail; forwarding them through webmail fixes the issue. Happens with Exchange and Google Workspace senders.

Set Log Level to DEBUG in Admin Panel > Settings to surface more detail. In class.mailfetch.php add error_log($t->getMessage()) around line 155 to expose the raw error. The root cause is…

Mail fetcher gives 'Excessive errors processing emails' for Office 365 POP. All emails fail, even a plain 'Hello World' test email.

The emails have a UTF-8 BOM at the start of the string being passed to laminas-mail's Headers::fromString(). Fix: add the following patch at the top of that function in include/laminas-mail/src/Headers.php:…

pipe.php permissions were reset to 644 after an auto-upgrade, causing all inbound piped emails to fail with exit code 127.

Set pipe.php permissions back to 755 (chmod 755 pipe.php). Exit code 127 means the file was not executable. Avoid relying on auto-upgraders; always upgrade osTicket manually. Exit code 255 means…

Tickets are not being created from email. I have email entry enabled and inbox set to check every 3 minutes but no tickets are created.

You need to create a cron job or scheduled task. See: https://docs.osticket.com/en/latest/Getting%20Started/POP3-IMAP%20Settings.html