Chore: replace go-mail/gomail with wneessen/go-mail

go.mod

@@ -4,10 +4,7 @@ go 1.20
 
 require (
 	github.com/sirupsen/logrus v1.9.3
-	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
+	github.com/wneessen/go-mail v0.4.2
 )
 
-require (
-	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
-	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
-)
+require golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect

go.sum

@@ -8,12 +8,10 @@ github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVs
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/wneessen/go-mail v0.4.2 h1:wISuU9LOGqrA7pxy7OipRtwoExXTzuGKmAjb8gYwc00=
+github.com/wneessen/go-mail v0.4.2/go.mod h1:zxOlafWCP/r6FEhAaRgH4IC1vg2YXxO0Nar9u0IScZ8=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

mailme.go

@@ -3,6 +3,7 @@ package mailme
 import (
 	"bytes"
 	"errors"
+	"fmt"
 	"html/template"
 	"io"
 	"log"
@@ -11,9 +12,8 @@ import (
 	"sync"
 	"time"
 
-	"gopkg.in/gomail.v2"
-
 	"github.com/sirupsen/logrus"
+	"github.com/wneessen/go-mail"
 )
 
 // TemplateRetries is the amount of time MailMe will try to fetch a URL before giving up
@@ -65,17 +65,26 @@ func (m *Mailer) Mail(to, subjectTemplate, templateURL, defaultTemplate string,
 		return err
 	}
 
-	mail := gomail.NewMessage()
-	mail.SetHeader("From", m.From)
-	mail.SetHeader("To", to)
-	mail.SetHeader("Subject", subject.String())
-	mail.SetBody("text/html", body)
+	msg := mail.NewMsg()
+	if err := msg.From(m.From); err != nil {
+		return fmt.Errorf("failed to set mail FROM address: %w", err)
+	}
+	if err := msg.To(to); err != nil {
+		return fmt.Errorf("failed to set mail TO address: %w", err)
+	}
+	msg.Subject(subject.String())
+	msg.SetBodyString(mail.TypeTextHTML, body)
 
-	dial := gomail.NewDialer(m.Host, m.Port, m.User, m.Pass)
+	client, err := mail.NewClient(m.Host, mail.WithPort(m.Port), mail.WithUsername(m.User),
+		mail.WithPassword(m.Pass))
 	if m.LocalName != "" {
-		dial.LocalName = m.LocalName
+		client, err = mail.NewClient(m.Host, mail.WithPort(m.Port), mail.WithUsername(m.User),
+			mail.WithPassword(m.Pass), mail.WithHELO(m.LocalName))
+	}
+	if err != nil {
+		return fmt.Errorf("failed to create mail client: %w", err)
 	}
-	return dial.DialAndSend(mail)
+	return client.DialAndSend(msg)
 
 }