Gmail sending messages to spam from same server

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http://serverfault.com – I have an SMTP server set up with postfix, and Roundcube for webmail and OSTicket for a support system. When I send emails from Roundcube, it goes right to the Gmail inbox. Headers: Delivered-To: ***@gmail.com Received: by with SMTP id f8csp132138lbz; Tue, 11 Dec 2012 14:18:43 -0800 (PST) Received: by with SMTP id e4mr36018395qan.88.1355264322952; Tue, 11 Dec 2012 14:18:42 -0800 (PST) Return-Path: <***@samclark.me> Received: from samclark.me (cpe-184-153-211-16.twcny.res.rr.com. []) by mx.google.com with ESMTP id m7si10306 (HowTos)