diff --git a/internal/email/smtp.go b/internal/email/smtp.go
index d66a7f7..607415c 100644
--- a/internal/email/smtp.go
+++ b/internal/email/smtp.go
@@ -27,6 +27,7 @@ var (
 			configChanged = true
 		}),
 	)
+	// Generally speaking, TLS uses port 587 and SSL uses port 465.
 	smtpPort = settings.NewInt64Setting(
 		"smtp_port",
 		587,
diff --git a/utils/smtp/smtpool.go b/utils/smtp/smtpool.go
index 8dd7698..c46763b 100644
--- a/utils/smtp/smtpool.go
+++ b/utils/smtp/smtpool.go
@@ -48,8 +48,10 @@ func newSmtpClient(c *SmtpConfig) (*smtp.Client, error) {
 	)
 
 	switch strings.ToUpper(c.Protocol) {
-	case "TLS", "SSL":
+	case "TLS": // 587
 		cli, err = smtp.DialStartTLS(fmt.Sprintf("%s:%d", c.Host, c.Port), nil)
+	case "SSL": // 465
+		cli, err = smtp.DialTLS(fmt.Sprintf("%s:%d", c.Host, c.Port), nil)
 	default:
 		cli, err = smtp.Dial(fmt.Sprintf("%s:%d", c.Host, c.Port))
 	}