Merge pull request #8 from symfonycorp/mail-host

Allow to change the hostname used to send emails

Author: fabpot

CHANGELOG

@@ -1,7 +1,8 @@
 1.3.0
 -----
 
- * Allow to set email sender
+ * Allow to change the hostname used to send emails (via `MAILHOST` env var)
+ * Allow to set email sender (via `MAILFROM` env var)
  * Fix timeout support when the command starts sub-processes
  * Add go.mod
 

main.go

@@ -191,8 +191,11 @@ func (r *result) sendEmail() {
 }
 
 func (r *result) subject() string {
-	hostname, err := os.Hostname()
-	if err != nil {
+	hostname := "undefined"
+	var err error
+	if env := os.Getenv("MAILHOST"); env != "" {
+		hostname = env
+	} else if hostname, err = os.Hostname(); err != nil {
 		hostname = "undefined"
 	}