I am having an error with DKIM signing on my Virtualmin installation. I fail with a bad signature error on appmaildev.com with the following message:
— x-sender: test567921@techandtiny.com x-receiver: test-0d0022e9@appmaildev.com Received: from techandtiny.com ([207.180.244.68]) by appmaildev.com with Microsoft SMTPSVC(8.5.9600.16384); Wed, 5 Dec 2018 02:59:16 +0000 Received: from mail.techandtiny.com (localhost [IPv6:::1]) by techandtiny.com (Postfix) with ESMTPA id 690EAA00F4D for test-0d0022e9@appmaildev.com; Wed, 5 Dec 2018 03:59:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=techandtiny.com; s=2018; t=1543978755; bh=IdDISA7hpxF8t8MBe3wgJ4GYMOP36VNdVJelEmHXsz8=; h=Date:From:To:Subject:From; b=MPDAtv54xFBJU6sDUXAQuWeTQBKfzhAt+CbVyBDIFvhfUXHcM/g5DsLgbA4mxd3Mp KqYCDKmH8ssEZa0NWw55rGohhQAAHl58uY3OJMOcJvDT15UfzQCB9hFydK15deCKUR x2xYPErKPbhFfS+19h+mvbX89wNjBWPBaSzYjKi03ejO8wyZUztnNLkVWzVEUuT9wd ZZci67aCQj2l8Oy82rIz+Jqq9YsZbk2zPCBSjTIy5gHNhVTBv+fWys+QfozX0/DaxJ KBOmpq2eokxXQIdGAKK+1F8IGwAOqdeVKh8bXSvymsvYB7lGfCr4A7HJh0KewSEUR8 ainTgpi9gNNxQ== MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_a714f72bffa8f8fcb351fcabf96ced70" Date: Tue, 04 Dec 2018 21:59:15 -0500 From: "test567921-techandtiny.com" test567921@techandtiny.com To: test-0d0022e9@appmaildev.com Subject: Test Message-ID: 718618548fdcab6942ba45200928050a@techandtiny.com X-Sender: test567921@techandtiny.com User-Agent: Roundcube Webmail/1.3.8 Return-Path: test567921@techandtiny.com X-OriginalArrivalTime: 05 Dec 2018 02:59:16.0951 (UTC) FILETIME=[82BB7670:01D48C46]
—
Here is the log:
— DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=techandtiny.com; s=2018; t=1543978755; bh=IdDISA7hpxF8t8MBe3wgJ4GYMOP36VNdVJelEmHXsz8=; h=Date:From:To:Subject:From; b=MPDAtv54xFBJU6sDUXAQuWeTQBKfzhAt+CbVyBDIFvhfUXHcM/g5DsLgbA4mxd3Mp KqYCDKmH8ssEZa0NWw55rGohhQAAHl58uY3OJMOcJvDT15UfzQCB9hFydK15deCKUR x2xYPErKPbhFfS+19h+mvbX89wNjBWPBaSzYjKi03ejO8wyZUztnNLkVWzVEUuT9wd ZZci67aCQj2l8Oy82rIz+Jqq9YsZbk2zPCBSjTIy5gHNhVTBv+fWys+QfozX0/DaxJ KBOmpq2eokxXQIdGAKK+1F8IGwAOqdeVKh8bXSvymsvYB7lGfCr4A7HJh0KewSEUR8 ainTgpi9gNNxQ== Signed-by: test567921@techandtiny.com Expected-Body-Hash: IdDISA7hpxF8t8MBe3wgJ4GYMOP36VNdVJelEmHXsz8= Public-Key: v=DKIM1; k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3YpIRYMYlH+x1crhTbS5z2AjcTVUxzr9+vG4+p/fpwm4jv5Gt9cGpmztl8BxWgSa81EXnv6Bz2mt+PxCNNTCHiVBfWYoD/9bdDlf+w7IzT//qLpKcw+31GupZQJln5N5IKDw46V/APgTU7PrsL5hRoNek4TFDsSfwM9JvR4wabSdRpL337K9+W20jWx+iF2e+MuiiJ9qiphNgt/RK7Z8UqWW7TvveYunwBp7m+gPXdEhExs69PoWmqfj09JWFjJDQBQk/QLTq3ABPDbrGRVKq9FYg55wecS56d8y78+7L5jvlJ25L5Bm2ERnNNdIfAJZD4uLobYBqTFFB6bIBOKs2wIDAQAB;
DKIM-Result: fail (bad signature) DMARC: none DomainKey: none PTR: ExistsRecord RBL: NotListed Download Report —
Test results: http://www.appmaildev.com/site/download/0d0022e9
I created this temporary test email for amelioration purposes so please feel free to message me there as well if you have a solution.
Reserved.