init

altermail.info

@@ -0,0 +1,3 @@
+name = altermail
+description = Alter E-Mail-Headers (e.g. Add Message-ID)
+core = 7.x

altermail.module

@@ -0,0 +1,10 @@
+<?php
+
+// Adds a random message-ID to mail header
+
+function altermail_mail_alter(&$message) {
+	// $message['headers']['Message-ID'] = ('<' . time() .'-' . md5($sender . $recipient) . '@' . gethostname() .  '>');
+	$message['headers']['Message-ID'] = ('<' . base_convert(microtime(), 10, 36) . '-' . base_convert(bin2hex(openssl_random_pseudo_bytes(8)), 16, 36) . '@' . gethostname() .  '>');
+}
+
+?>