How to solve email sending problem with Postfix and Gmail

Many Koha users are using Gmail with Postfix mail server to send email notifications. Its essential to enable less secure sign in to start to send notifications from Gmail. Otherwise emails will not send.

Goto the following link and enable Less secure apps in Gmail account.

This option at the bottom of the page.

Information courtesy: Dr. Mukesh Pund, NISCAIR, New Delhi


  1. Problems with dovecot are not easy to fix. See here for mark email threads

  2. I have accessed email notification service. But After changing IP address, Koha is not sending email to patron. Can you please help me?

  3. Sir koha gmail notification was my college library used the gmail notification book issues , return and renewal notification probably working, but advance notification, over due and book due remainder faction was not working any solution.