Settings documentation added

Portal Management/Settings/Mail.md

@@ -1 +1,24 @@
-To be made.
+To allow Sentri to send emails, you must configure the mail settings.
+
+Sentri sends emails in the following situations:
+
+- When a new user is created, an invitation email is sent to the user.
+- When a user requests a password reset.
+- When an administrator sends a password reset email.
+# From Name
+This is the sender name displayed in emails sent by Sentri.
+# From Address
+This is the email address used by Sentri to send emails.
+# SMTP Server Configuration
+### Host
+The hostname or IP address of your SMTP server.
+### Secure
+Configure the security protocol used by the SMTP server.
+### SMTP Port
+The port used by the SMTP server.
+### SMTP Authentication
+Enable or disable SMTP authentication, depending on whether your SMTP server requires authentication.
+### SMTP Username
+The username used for SMTP authentication.
+### SMTP Password
+The password used for SMTP authentication.