[exim] Mailinglist move

Hi,

I will be moving the Exim Mailman installation to our new server over
the course of this weekend, migrating from Mailman 2 to Mailman 3.
Expect mails to be delayed. I will write another notice when I'm
finished.

Best regards,
Moritz

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PGP public key: https://apfelboymchen.net/pubkey-solawi.asc