MX and SPF records for Dualog Mail Defence

  • INTRODUCTION

On this page, you will find the technical information required for email deliveries to our Dualog Mail Defence and to your vessels

  • ROUTE YOUR DOMAIN TO DUALOG MAILDEFENCE

Important: when routing new domains to MailDefence, notify support@dualog.com in advance.

For domain(s) under your management (e.g. fleet.yourdomain.com), apply the following changes.

Shore to ship traffic routing - MX records

To route the traffic directed to your domain to Dualog MailDefence, change the MX record of your domain(s) to:

  • mx1.dualog.com (preference 10)

Ship to shore traffic routing - SPF records

In order to allow our servers to send out email with your domain, add the following to the domain's SPF record:

  • _spf.dualog.com

For domain(s) hosted under dualog.net

No action will be required

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