[Koha] Issue with Koha

Hallo, I am trying to configure koha to send mail notifications to its users. Currently its not sending. Please assist me in resolving this issue. Thank you *Ishmael Sheban* *Profession:* Systems Developer || Software Quality Analyst || Business Intelligence Analyst *Mobile:* +254 723 698 018 *Skype:* ismaelsheban_1 *Linkedin:* https://www.linkedin.com/in/ishmael-sheban/ *Facebook:* https://www.facebook.com/ishmaelsheban123 *Twitter:* https://twitter.com/Ishmaelsheban