I just noticed that this email is not getting in the system:

This email had a .mp4 file attached it was around 19 megabytes.

Delivery to the following recipient failed permanently:

     videos@progressivedentalmarketing.zohosupport.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain progressivedentalmarketing.zohosupport.com by mx.zohomail.com. [74.201.154.201].

The error that the other server returned was:
554 5.2.3 MailPolicy violation Error delivering to mailboxes


----- Original message -----

X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20130820;
        h=x-original-authentication- results:x-gm-message-state: delivered-to
         :mime-version:in-reply-to: references:date:message-id: subject:from:to
         :content-type;
        bh=l+ RcCtCokTkZGT9ydLwVpL2Z2JjS0VBV TrghlifgFS0=;
        b= G7eWsjBKyxp9TaZvnNjj8nZ84rqxKs AATqwqcthOf/ PDGPk3Xcji7fncbi95MWd6Ji
         heZ0cOT8tfpYcuDeuu6Vi5W2WoF7dt iOzA5FOZWWq4wJh1z4cF/ lFX2kzpdh/SybXrE6
         60gn2eJJqA6YS8ev5NTGrej0OjR7yd LilAXHF8cHbpBxfjFp8qGj9pVfLH7k k9BPJrOl
         ACKoRpQvHasdOvOb/ xrSiTIMIEcgd9eadI59QjZDYMDM4yg obrSezjNTE4CUN2VuBtpj
         P8bhBQuw3UoK34a+ 6DDz20TKFuxi5Z9IvN5hUM463PadIX gn+tv4QWw1STb+K6hTvxkv
         9ZmA==
X-Original-Authentication- Results:  mx.google.com ;       spf=none ( google.com :  sarahb@progressivedentalmarketing.com  does not designate permitted sender hosts) smtp.mail= sarahb@progressivedentalmarketing.com
X-Gm-Message-State: ALoCoQnz2/ uNnULvaMvvjfRUsiAK9gV87cISMTZj 6d4WV0L4uLegRiNdxb4zRFQhgf4G80 0KYMPI
X-Received: by 10.194.83.66 with SMTP id o2mr157599944wjy.55. 1426789099257;
        Thu, 19 Mar 2015 11:18:19 -0700 (PDT)
X-Forwarded-To: videos@progressivedentalmarketing.zohosupport.com
X-Forwarded-For: videos@progressivedentalmarketing.com videos@progressivedentalmarketing.zohosupport.com
Delivered-To: videos@progressivedentalmarketing.com
Received: by 10.28.218.132 with SMTP id r126csp370620wmg;
        Thu, 19 Mar 2015 11:18:14 -0700 (PDT)
X-Received: by 10.140.164.6 with SMTP id k6mr100337431qhk.61. 1426789093095;
        Thu, 19 Mar 2015 11:18:13 -0700 (PDT)
Return-Path: < sarahb@progressivedentalmarketing.com >
Received: from  mail-qc0-f170.google.com  ( mail-qc0-f170.google.com . [209.85.216.170])
        by  mx.google.com  with ESMTPS id w8si1976598qha.79.2015.03.19. 11.18.10
        for < videos@progressivedentalmarketing.com >
        (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM- SHA256 bits=128/128);
        Thu, 19 Mar 2015 11:18:12 -0700 (PDT)
Received-SPF: none ( google.com :  sarahb@progressivedentalmarketing.com  does not designate permitted sender hosts) client-ip=209.85.216.170;
Authentication-Results:  mx.google.com ;
       spf=none ( google.com :  sarahb@progressivedentalmarketing.com  does not designate permitted sender hosts) smtp.mail= sarahb@progressivedentalmarketing.com
Received: by qcaz10 with SMTP id z10so73910971qca.1
        for < videos@progressivedentalmarketing.com >; Thu, 19 Mar 2015 11:18:10 -0700 (PDT)
MIME-Version: 1.0
X-Received: by 10.229.227.71 with SMTP id iz7mr43392890qcb.0. 1426789088945;
 Thu, 19 Mar 2015 11:18:08 -0700 (PDT)
Received: by 10.96.142.66 with HTTP; Thu, 19 Mar 2015 11:18:08 -0700 (PDT)
In-Reply-To: < 1859580771.819194.1426779858614.JavaMail.yahoo@mail.yahoo.com >
References: < 1859580771.819194.1426779858614.JavaMail.yahoo@mail.yahoo.com >
Date: Thu, 19 Mar 2015 14:18:08 -0400
Message-ID: <CAJ3H3v6AgDeXUObKW+ BWiMOm6wMW-LiFt4= Y+p0TVR00R09A6g@mail.gmail.com >
Subject: Fwd: Dr. Viner: Videos
From: Sarah Brand < sarahb@progressivedentalmarketing.com >
To: PDM Videos < videos@progressivedentalmarketing.com >
Content-Type: multipart/mixed; boundary= 001a1134abe8d84ac20511a83873

----------------------------------------------------------------------------------------------------------------

Is it due to us not having a SPF record on the domain? 

Any thoughts on how I can correct this?

Thanks for all your help and support!

Thomas Pursifull