[feature] EmailChannelSender allow for send from email

shesha-core/src/Shesha.Application/Email/Dtos/SmtpSettingsDto.cs

@@ -47,6 +47,11 @@ public class SmtpSettingsDto
         /// </summary>
         public bool SupportSmtpRelay { get; set; }
 
+        /// <summary>
+        /// If true, the from address on all outgoing emails will always be overridden with the address configured in settings, ignoring any caller-supplied from address.
+        /// </summary>
+        public bool ForceFromAddressFromSettings { get; set; }
+
         /// <summary>
         /// If not null or empty the all outgoing emails will be sent to this email address, is used for testing
         /// </summary>

shesha-core/src/Shesha.Application/Email/EmailSenderAppService.cs

@@ -40,7 +40,7 @@ await _emailSettings.EmailSettings.SetValueAsync(new EmailSettings
                 RedirectAllMessagesTo = input.RedirectAllMessagesTo,
             });
 
-            await _emailSettings.SmtpSettings.SetValueAsync(new SmtpSettings { 
+            await _emailSettings.SmtpSettings.SetValueAsync(new SmtpSettings {
                 Host = input.Host,
                 Port = input.Port,
                 Domain = input.Domain,
@@ -49,6 +49,7 @@ await _emailSettings.SmtpSettings.SetValueAsync(new SmtpSettings {
                 EnableSsl = input.EnableSsl,
                 DefaultFromAddress = input.DefaultFromAddress,
                 DefaultFromDisplayName = input.DefaultFromDisplayName,
+                ForceFromAddressFromSettings = input.ForceFromAddressFromSettings,
             });
 
             return true;
@@ -73,6 +74,7 @@ public async Task<SmtpSettingsDto> GetSmtpSettingsAsync()
                 DefaultFromAddress = smtpSettings.DefaultFromAddress,
                 DefaultFromDisplayName = smtpSettings.DefaultFromDisplayName,
                 SupportSmtpRelay = smtpSettings.UseSmtpRelay,
+                ForceFromAddressFromSettings = smtpSettings.ForceFromAddressFromSettings,
 
                 RedirectAllMessagesTo = emailSettings.RedirectAllMessagesTo,
                 EmailsEnabled = emailSettings.EmailsEnabled,

shesha-core/src/Shesha.Application/Notifications/Emails/EmailChannelSender.cs

@@ -1,5 +1,4 @@
-using Abp.UI;
-using Castle.Core.Logging;
+using Castle.Core.Logging;
 using Shesha.Configuration;
 using Shesha.Configuration.Email;
 using Shesha.Domain;
@@ -11,6 +10,7 @@
 using System.Collections.Generic;
 using System.Net;
 using System.Net.Mail;
+using System.Text;
 using System.Threading.Tasks;
 
 namespace Shesha.Notifications
@@ -140,14 +140,24 @@ private MailMessage BuildMessageWith(string? fromAddress, string toAddress, stri
                 IsBodyHtml = true,
             };
 
-            if (string.IsNullOrWhiteSpace(fromAddress))
+            if (string.IsNullOrWhiteSpace(fromAddress) || smtpSettings.ForceFromAddressFromSettings)
             {
-                if (!StringHelper.IsValidEmail(smtpSettings.DefaultFromAddress))
+                if (smtpSettings.UseSmtpRelay && !string.IsNullOrWhiteSpace(smtpSettings.DefaultFromAddress))
                 {
-                    throw new UserFriendlyException("Default from address is not valid!");
+                    message.From = new MailAddress(
+                        smtpSettings.DefaultFromAddress,
+                        smtpSettings.DefaultFromDisplayName,
+                        Encoding.UTF8
+                    );
+                }
+                else
+                {
+                    message.From = new MailAddress(
+                        smtpSettings.UserName,
+                        null,
+                        Encoding.UTF8
+                    );
                 }
-
-                message.From = new MailAddress(smtpSettings.DefaultFromAddress);
             }
             else if (StringHelper.IsValidEmail(fromAddress))
             {

shesha-core/src/Shesha.Framework/Configuration/Email/SmtpSettings.cs

@@ -55,5 +55,10 @@ public class SmtpSettings
         /// If true, indicate that SMTP relay service will be used where it's needed (e.g. if the application needs to notify one person about the action that was performed by another person then real person's email address will be used for the 'from' address, otherwise 'Site Email' will be used)
         /// </summary>
         public bool UseSmtpRelay { get; set; }
+
+        /// <summary>
+        /// If true, the from address on all outgoing emails will always be overridden with the address configured in settings, ignoring any caller-supplied from address.
+        /// </summary>
+        public bool ForceFromAddressFromSettings { get; set; }
     }
 }