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Introducing Suppression List and External MTA IPs in MailerQ 5.8.0

Published on December 6, 2019 | By MailerQ

With the release of version 5.8, we're introducing several improvements including two new powerful features: Suppression List and support for external MTA IPs.

Suppression List

Adding records to the Suppression List in MailerQ will result in the MTA failing any message that matches one of these records. These records can be either entire recipient addresses or just the recipient domain. This way, you can suppress delivery attempts to faulty domains with typical typos like "hotmai.com", "gmail.co" but also to email addresses you know do not exist (the ones for which you received a "mailbox does not exist" response). You can update this list manually using the Management Console or through the REST API.

External MTA IPs support

Deployment in public cloud environments like Amazon Web Services and Google Cloud typically requires the MTA to work with IPs that do not exist locally but should be handled as if they do. We've implemented support for using external IPs behind Network Address Translation (NAT) so that MailerQ can be deployed in public cloud environments with support for a large number of MTA IPs.

Besides this, we introduced a couple of other improvements. The full release notes can be found here: https://www.mailerq.com/product/releasenotes#5.8.0.

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