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Thanks for your advice. I have now resolved with my host.
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Thanks for your advice. I have now resolved with my host.

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You're welcome, glad you got it fixed.
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<div class="content wysiwyg-content">
When I try to send an email with <a href="http://www.atlantic-ts.com" rel="ugc">www.atlantic-ts.com</a>&nbsp;in the message my gmail account blocks it with the error message below..<br />
<br />
xxx have replaced personal info.<br />
<br />

<pre><code id="code-10-28608563-1">Delivery to the following recipient failed permanently:

     xxxxxx

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the relay xxxxx by xxxx. [xxx.xx.xx.xx].

The error that the other server returned was:
550 This message was classified as SPAM and may not be delivered</code></pre>
<br />
The email will send if it does not contain the <a href="http://www.atlantic-ts.com" rel="ugc">www.atlantic-ts.com</a>&nbsp;address. Does gmail block url's in emails? If so how can I check if this is the case and resolve the issue?
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When I try to send an email with www.atlantic-ts.com in the message my gmail account blocks it with the error message below..

xxx have replaced personal info.

(CODE)

The email will send if it does not contain the www.atlantic-ts.com address. Does gmail block url's in emails? If so how can I check if this is the case and resolve the issue?

Gmail URL Blocking email sending

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.

Email Clients

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

Google Workspace is a suite of cloud computing productivity and collaboration software tools and software. It includes Google’s popular web applications including Gmail, Drive, Hangouts, Calendar, and Docs. While these products are available to consumers free of charge, Google Workspace adds business-specific features such as custom email addresses at your domain and storage for documents and email.