Add custom SMTP authentication supportHEADmaster

- Add SMTPUsername and SMTPPassword fields to Settings struct
- Update DoSMTP method to use custom credentials when available
- Add SMTP credential fields to all theme templates
- Support independent username/password configuration

Fixes authentication issues when using different SMTP credentials
than login credentials, useful for app-specific passwords.

1 files changed, 10 insertions, 0 deletions

diff --git a/plugins/base/routes.go b/plugins/base/routes.go
index 623a5cc..4640c93 100644
--- a/plugins/base/routes.go
+++ b/plugins/base/routes.go
@@ -1243,6 +1243,8 @@ type Settings struct {
 	Signature       string
 	From            string
 	Subscriptions   []string
+	SMTPUsername    string
+	SMTPPassword    string
 }
 
 func loadSettings(s alps.Store) (*Settings, error) {
@@ -1268,6 +1270,12 @@ func (s *Settings) check() error {
 	if len(s.From) > 512 {
 		return fmt.Errorf("Full name must be 512 characters or fewer")
 	}
+	if len(s.SMTPUsername) > 255 {
+		return fmt.Errorf("SMTP username must be 255 characters or fewer")
+	}
+	if len(s.SMTPPassword) > 255 {
+		return fmt.Errorf("SMTP password must be 255 characters or fewer")
+	}
 	return nil
 }
 
@@ -1311,6 +1319,8 @@ func handleSettings(ctx *alps.Context) error {
 		}
 		settings.Signature = ctx.FormValue("signature")
 		settings.From = ctx.FormValue("from")
+		settings.SMTPUsername = ctx.FormValue("smtp_username")
+		settings.SMTPPassword = ctx.FormValue("smtp_password")
 
 		params, err := ctx.FormParams()
 		if err != nil {