libravatar-fans team mailing list archive

[Oliver Falk <oliver@xxxxxxxxxxxxxxx>]

Hi Lars!
The mails sent via Mailgun are sent as mg.libravatar.org and do have DKIM
in place AFAIK.
I'd be happy to invite you to the Mailgun Admin interface, if you provide
me with your personal email address :-)

Cheers,
 Oliver

On Sun, Oct 31, 2021 at 10:18 PM Lars Kruse <lists@xxxxxxxxxxxxx> wrote:

> Hello,
>
> in addition to the MX change, we also generated a DKIM key for the
> libravatar.org mail domain. I added the corresponding DNS entry to the
> domain (see `dig +short TXT mail._domainkey.libravatar.org`).
> For now it will only be used for mails emitted by our mail server (i.e. for
> almost no mails at all).
> But maybe we want to use DKIM for our mailgun-based email submission, too?
>
> According to the only DKIM-related blog entry for mailgun, it looks like an
> upload of an existing key may not be possible?
>  https://www.mailgun.com/blog/understanding-dkim-how-it-works/
> (only the export of the public key seems to be supported)
>
> Maybe someone wants to verify, whether there is a DKIM key upload feature
> in
> the mailgun settings for the domain?
>
> If the upload of an existing private key to mailgun is not possible, then I
> would suggest, that we generate a DKIM key via mailgun and discard the key,
> that we just started to use in the MX.
>
> A split setup (only a subset of mails being DKIM-signed) should not be a
> problem: the unsigned mails just do not receive the trust boost provided
> by a
> valid DKIM signature.
>
> Cheers,
> Lars
>
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