Implement mail service with configuration and settings management

FoodsharingSiegen.Contracts/Model/AppSettings.cs

@@ -6,6 +6,11 @@
 
         public bool DisableStepIn { get; set; }
 
+        /// <summary>
+        /// Gets or sets the mail server settings.
+        /// </summary>
+        public MailSettings Mail { get; set; } = new();
+
         public TermSettings Terms { get; set; } = new();
 
         public bool TestMode { get; set; }

FoodsharingSiegen.Contracts/Model/MailSettings.cs

@@ -0,0 +1,38 @@
+namespace FoodsharingSiegen.Contracts.Model
+{
+    /// <summary>
+    /// Configuration settings for the mail service.
+    /// </summary>
+    public class MailSettings
+    {
+        /// <summary>
+        /// Gets or sets the SMTP server host.
+        /// </summary>
+        public string Host { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the SMTP port.
+        /// </summary>
+        public int Port { get; set; } = 587;
+
+        /// <summary>
+        /// Gets or sets the username for SMTP authentication.
+        /// </summary>
+        public string Username { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the password for SMTP authentication.
+        /// </summary>
+        public string Password { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the sender address.
+        /// </summary>
+        public string FromAddress { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets whether to use SSL/TLS connection.
+        /// </summary>
+        public bool UseSsl { get; set; } = true;
+    }
+}