Use full from address in mail data

api/send-message.go

@@ -41,7 +41,7 @@ func MessageSender(send Smtp) func(rw http.ResponseWriter, req *http.Request, pa
 		}
 
 		// this looks up the underlying account for the sender alias
-		lookup, err := defaultPostfixLookup(mail.From)
+		lookup, err := defaultPostfixLookup(mail.From.Address)
 
 		// the alias does not exist
 		if errors.Is(err, postfixLookup.ErrInvalidAlias) {

smtp/json.go

@@ -101,7 +101,7 @@ func (s Json) PrepareMail(now time.Time) (*Mail, error) {
 	}
 
 	return &Mail{
-		From: from.String(),
+		From: from,
 		Body: out.Bytes(),
 	}, nil
 }

smtp/smtp.go

@@ -1,6 +1,7 @@
 package smtp
 
 import (
+	"github.com/emersion/go-message/mail"
 	"os/exec"
 )
 
@@ -9,7 +10,7 @@ type Smtp struct {
 }
 
 type Mail struct {
-	From string
+	From *mail.Address
 	Body []byte
 }
 
@@ -19,7 +20,7 @@ var execSendMail = func(from string) *exec.Cmd {
 
 func (s *Smtp) Send(mail *Mail) error {
 	// start sendmail caller
-	sendMail := execSendMail(mail.From)
+	sendMail := execSendMail(mail.From.String())
 	inPipe, err := sendMail.StdinPipe()
 	if err != nil {
 		return err