Hi David, Thanks for responding. We have tracked the error down to a typo in the SMTP server configuration (something I thought I had checked at least 3 times!) so it's working now. I did (retrospectively) look for errors using your suggested grep command, and found the clue I needed in plack-opac-error.og . Thanks again, Chris Brown On Wed, Jan 21, 2026 at 11:18 AM David Liddle <david_liddle@sil.org> wrote:
Hello again Chris, based on what limited information I see on our own server and what I glean from the Koha Chat, you may see relevant information in the following places:
SMTP configured in Koha /var/log/koha/{library}/intranet-error.log OR /var/log/koha/{library}/plack-intranet-error.log
SMTP configured in MTA (backend) /var/log/mail.log AND/OR /var/log/syslog.log
With something like the following, you could also run a broad search for "smtp", the destination server name, or the recipient email address: sudo grep -inr --include \*.log 'smtp' /var/log/
Regards,
David Liddle
On Wed, Jan 21, 2026 at 10:52 AM Chris Brown <chris@stayawake.co.uk> wrote:
Hi David,
Yes, email is enabled. All the messages show up as "failed" status in the message queue.
Chris Brown
On Wed, Jan 21, 2026 at 9:00 AM David Liddle <david_liddle@sil.org> wrote:
Hi Chris, have you made certain that email is enabled for the instance?
On Tue, Jan 20, 2026 at 9:06 PM Chris Brown <chris@stayawake.co.uk> wrote:
I defined an SMTP server for one of my koha libraries, but it is failing to send messages. Another library (on the same server) is working OK with the same SMTP server settings, as far as I can see. I have set the Debug mode to "enabled" on the SMTP server settings. Can you tell me where the debug output goes? We are using koha 22.11
Thanks!
Chris Brown _______________________________________________
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