Hi Marco,

We have been using Brevo (originally Sendinblue), a third-party email service for some of our bulk emails and automated emails since 2020. It offers us functionality that would take time and resources to manage in-house. We wrote a RIPE Labs article about this a while ago: https://labs.ripe.net/author/ulka_athale_1/improving-our-emails/

Regarding it being an IPv4-only service, unfortunately, this is often the case with email service providers. We have asked Brevo to offer services over IPv6 as well, but without success.

Kind regards,

Robert Kisteleki

On Thu, Apr 17, 2025 at 11:16 AM Marco Moock <mm@dorfdsl.de> wrote:

Hello!

Some mails regarding RIPE atlas are being sent via bulk-email.ripe.net.

Is there a reason RIPE uses that 3rd party (IPv4-only) service instead
of its own infrastructure?

--
Gruß
Marco
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