diff --git a/email.go b/email.go
index 7da60e4..561af91 100644
--- a/email.go
+++ b/email.go
@@ -22,7 +22,6 @@ import (
 
 	"github.com/aymerick/douceur/inliner"
 	"github.com/gorilla/mux"
-	"github.com/mailgun/mailgun-go"
 	stripmd "github.com/writeas/go-strip-markdown/v2"
 	"github.com/writeas/impart"
 	"github.com/writeas/web-core/data"
@@ -308,14 +307,14 @@ Originally published on ` + p.Collection.DisplayTitle() + ` (` + p.Collection.Ca
 
 Sent to %recipient.to%. Unsubscribe: ` + p.Collection.CanonicalURL() + `email/unsubscribe/%recipient.id%?t=%recipient.token%`
 
-	gun := mailgun.NewMailgun(app.cfg.Email.Domain, app.cfg.Email.MailgunPrivate)
-
-	if app.cfg.Email.MailgunEurope {
-		gun.SetAPIBase("https://api.eu.mailgun.net/v3")
+	mlr, err := mailer.New(app.cfg.Email)
+	if err != nil {
+		return err
+	}
+	m, err := mlr.NewMessage(p.Collection.DisplayTitle()+" <"+p.Collection.Alias+"@"+app.cfg.Email.Domain+">", stripmd.Strip(p.DisplayTitle()), plainMsg)
+	if err != nil {
+		return err
 	}
-
-
-	m := mailgun.NewMessage(p.Collection.DisplayTitle()+" <"+p.Collection.Alias+"@"+app.cfg.Email.Domain+">", stripmd.Strip(p.DisplayTitle()), plainMsg)
 	replyTo := app.db.GetCollectionAttribute(collID, collAttrLetterReplyTo)
 	if replyTo != "" {
 		m.SetReplyTo(replyTo)
@@ -412,7 +411,7 @@ Sent to %recipient.to%. Unsubscribe: ` + p.Collection.CanonicalURL() + `email/un
 		return err
 	}
 
-	m.SetHtml(html)
+	m.SetHTML(html)
 
 	log.Info("[email] Adding %d recipient(s)", len(subs))
 	for _, s := range subs {
@@ -428,8 +427,8 @@ Sent to %recipient.to%. Unsubscribe: ` + p.Collection.CanonicalURL() + `email/un
 		}
 	}
 
-	res, _, err := gun.Send(m)
-	log.Info("[email] Send result: %s", res)
+	err = mlr.Send(m)
+	log.Info("[email] Email sent")
 	if err != nil {
 		log.Error("Unable to send post email: %v", err)
 		return err
diff --git a/mailer/mailer.go b/mailer/mailer.go
index a75b585..974796a 100644
--- a/mailer/mailer.go
+++ b/mailer/mailer.go
@@ -83,6 +83,14 @@ func (m *Message) SetHTML(html string) {
 	}
 }
 
+func (m *Message) SetReplyTo(replyTo string) {
+	if (m.smtpMsg != nil) {
+		m.smtpMsg.SetReplyTo(replyTo)
+	} else {
+		m.mgMsg.SetReplyTo(replyTo)
+	}
+}
+
 // AddTag attaches a tag to the Message for providers that support it.
 func (m *Message) AddTag(tag string) {
 	if m.mgMsg != nil {
@@ -90,6 +98,16 @@ func (m *Message) AddTag(tag string) {
 	}
 }
 
+// Variable only used by mailgun
+func (m *Message) AddRecipientAndVariables(r string, vars map[string]interface{}) error {
+	if (m.smtpMsg != nil) {
+		m.smtpMsg.AddBcc(r)
+		return nil
+	} else {
+		return m.mgMsg.AddRecipientAndVariables(r, vars)
+	}
+}
+
 // Send sends the given message via the preferred provider.
 func (m *Mailer) Send(msg *Message) error {
 	if m.smtp != nil {
@@ -97,6 +115,7 @@ func (m *Mailer) Send(msg *Message) error {
 		if err != nil {
 			return err
 		}
+		// TODO: handle possible limits (new config?) on max recipients (multiple batches, with delay?)
 		return msg.smtpMsg.Send(client)
 	} else if m.mailGun != nil {
 		_, _, err := m.mailGun.Send(msg.mgMsg)