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Mailrelay already supports AMP for Email (Accelerated Mobile Pages)

Published by on November 19, 2019

AMP stands for Accelerated Mobile Pages, a project developed by Google and other companies. The main goal of this project is to improve the mobile site load speed. This technology is relevant to email marketers as they can embed this code in emails, improving the effectiveness of campaigns with options that were previously not allowed. […]

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The three simple rules you should follow to make sure your newsletter won’t be considered as spam.

Published by on July 9, 2019

Before getting into the main topic of this article, I would like to clarify that if you follow these recommendations, you will have much more chances of sending your newsletter to the inbox of your subscribers. However, both B2B filters such as Spam Assassin and B2C ISP filters as Smartscreen have their own rules, which […]


Microsoft updates sender reputation metrics in Hotmail and Outlook

Published by on December 11, 2017

It seems that Microsoft is updating its filters. After the severe impact, they suffered worldwide in September of 2017 and the movements of large ESP operators like Mailchimp that announced that they would take internal measures to avoid sending spam using their servers, Microsoft has decided to take action to reduce the number of unwanted […]


How to differentiate opt-out requests from different senders and send them by email

Published by on September 15, 2017

With this improvement, we can automatically notify opt-out requests to customers/senders, without the need to resend these notifications manually or giving them access to the Mailrelay  panel.  

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What is an anti-spam system? How can it block an email?

Published by on May 23, 2017

In this post we will review what are antispam systems and other filters that can block a newsletter.


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