Dear Experts, Issue: Our Koha server is unable to send email notification for any activity done (e.g. check-in/check-out) Requirement: Every action such as check-in/check-out should send an email notification to the patrons. Environment Overview: · We have Koha 3.14 with Debian O.S. · Microsoft Exchange 2010 server · Configured A.D. to Koha using LDAP o Our domain users are able to login into the OPAC and Admin pages o This means the LDAP is configured successfully Attempts: · Tried Sendmail (no email is sent) · Configured Postfix (email can be sent to gmail, hotmail, etc.) o Emails are going only through the terminal (mail -v test@gmail.com) but not through check-in/check-out · Configured Postfix with SMTP (no email is sent) Would appreciate your valuable inputs and suggestions. Many Thanks !