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How to send emails from your Instance

Reviewed on 18 December 2023Published on 26 May 2021

By default, remote email ports (25, 465, 587) are blocked, and cannot be reached from our infrastructure to avoid spam. You will need to open the mail ports on your Instance to send emails from it. You can enable them from the security group configuration.


This document concerns enabling SMTP for Instances. If you want to enable SMTP on other resources, see our documentation on enabling SMTP on Elastic Metal servers and enabling SMTP on Public Gateways.

Before you start

To complete the actions presented below, you must have:

  • A Scaleway account logged into the console
  • Owner status or IAM permissions allowing you to perform actions in the intended Organization
  • At least one Instance
  • Completed the identity verification process (KYC)
  1. Click Instances on the side menu of the Scaleway console.

  2. Click the Security groups tab.

  3. Select the security group for which you want to enable SMTP ports.


    If you have not created any security groups, your Instance has been assigned to the default security group, so this will be the one you should modify.

  4. Tick the checkbox Enable SMTP.


The security group settings will be immediately updated on all your virtual Instances.

See also
How to configure reverse DNSHow to use placement groups
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