Hello, i have a question, i cant find out where to look. On server1 (websites) i have webmail. On server 2 (emailboxes) i have all email running. When using webmail to sendout a email DKIM is working. When using outlook imap DKIM is working. But when i use htmlmimemail with smtp function (from a thirth server connecting to the mailserver DKIM is not signing the outgoing email. Any idees what im doing wrong :-( working header: Code: Received: from 61.****.com (61.****.com [IPv6:2a00:****::61]) (Authenticated sender: mailout@****.nl) by mail01.****.com (Postfix) with ESMTPA id D39141001817 for <****@gmail.com>; Wed, 14 Sep 2022 11:24:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= Not working header: Code: Received: from mijn.*****.nl (63.****.com [5.22.***.63]) (Authenticated sender: mailout@*****.nl) by mail01.****.com (Postfix) with ESMTPA id E20C81002365 for <*****@gmail.com>; Wed, 14 Sep 2022 11:22:21 +0200 (CEST) MIME-Version: 1.0