bugfixes; email parsing; send emails into matrix rooms; e2e tests

utils/utils.go

@@ -0,0 +1,15 @@
+package utils
+
+import "strings"
+
+func Mailbox(email string) string {
+	index := strings.LastIndex(email, "@")
+	if index == -1 {
+		return email
+	}
+	return email[:strings.LastIndex(email, "@")]
+}
+
+func Hostname(email string) string {
+	return email[strings.LastIndex(email, "@")+1:]
+}