Commit `b8b7c3b111`

b8b7c3b111678afc51f3595d673d9a3ac7c3c884

parent: 1364cf765d

Verified · cmc

cmc <hello@cleberg.net> · 2026-08-24 15:12 UTC

mail: STARTTLS needs a ServerName

StartTLS(nil) fails against any real relay; pass the SMTP host name.
Unexposed by the e2e fake, which does not advertise STARTTLS.

Layout: unified · split

internal/mail/mail.go +2 −1

 package mail
 import (
+	"crypto/tls"
 	"fmt"
 	"net"
 	"net/smtp"
 	}
 	defer c.Close()
 	if ok, _ := c.Extension("STARTTLS"); ok {
-		if err := c.StartTLS(nil); err != nil {
+		if err := c.StartTLS(&tls.Config{ServerName: hostname}); err != nil {
 			return fmt.Errorf("starttls: %w", err)
 		}
 	}

Commit b8b7c3b111

Commit `b8b7c3b111`