Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
MailEnable: Message could not be delivered to some recipients. The following recipient(s) could not be reached: Recipient: [SMTP:email@example.com] Reason: Remote SMTP Server Returned: 550 Requested action not taken: mailbox unavailable Message headers follow: DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=companydns.com; b=kR6r45/cAzRqIdc87t9odDhtFS5AZMc5vEkKOSJfQaRdcRVssNTC5amOlBJqhVg0jnTC9BvL/wh5wMZwPvE30SI+/OQ0Q8DcRhHX61jJKmJN6EKjln0KbJ83iZ0RF7Ey; h=Received:Date:Subject:To:X-PHP-Originating-Script:From:X-Mailer:Reply-To:Mime-Version:Content-Type; Received: from PLESK-WIN.companytechnologies.local ([127.0.0.1]) by companydns.com with MailEnable ESMTP; Wed, 24 Dec 2014 21:43:41 +0530 Date: Wed, 24 Dec 2014 16:13:41 +0000 Subject: Busty blonde likes it in outdoor To: firstname.lastname@example.org X-PHP-Originating-Script: 0:.page46.php(233) : eval()'d code From: "Aiden Hicks" <email@example.com> X-Mailer: Oudmlr(ver.3.4) Reply-To: "Aiden Hicks" <firstname.lastname@example.org> Mime-Version: 1.0 Content-Type: multipart/alternative;boundary="----------1419437621549AE635C800E"
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
Join the community of 500,000 technology professionals and ask your questions.