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+# Email Notification Setup
+
+## Gitea
+- edit `./gitea/gitea/conf/app.ini`
+- test send mail from Configuration Page
+- Office365
+```ini
+[mailer]
+ENABLED = true
+FROM = mitl-noreply@mitech-ltd.com.sg
+PROTOCOL = smtp+starttls
+SMTP_ADDR = smtp.office365.com
+SMTP_PORT = 587
+USER = mitl-noreply@mitech-ltd.com.sg
+PASSWD = mypassword
+IS_TLS_ENABLE = true
+```
+
+- Gmail
+```ini
+[mailer]
+ENABLED = true
+FROM = mitl-noreply@mitech-ltd.com.sg
+PROTOCOL = smtps
+SMTP_ADDR = smtp.gmail.com
+SMTP_PORT = 465
+USER = mitl-noreply@gmail.com
+PASSWD = mypassword
+IS_TLS_ENABLE = true
+```
+
+## Redmine
+
+- edit `./config/configuration.yml`
+- test sendmail by add a note on an issue
+- Office 365
+
+```yml
+default:
+  email_delivery:
+    delivery_method:  :smtp
+    smtp_settings:
+      enable_starttls_auto: true
+      address: "smtp.office365.com"
+      port: 587
+      domain: "mitech-ltd.com.sg"
+      authentication: :login
+      user_name: "mitl-noreply@mitech.com.sg"
+      password: "mypassword"
+```
+
+- Gmail
+```yml
+default:
+  email_delivery:
+    delivery_method:  :smtp
+    smtp_settings:
+      enable_starttls_auto: true
+      address: "smtp.gmail.com"
+      port: 587
+      domain: "mitech-ltd.com.sg"
+      authentication: :plain
+      user_name: "mitl-noreply@gmail.com"
+      password: "mypassword"
+```