GitLab

Upgrade the nospam service to nospam v2

See merge request !156

Apparently the Spamassassin plugin doesn't like our attempt
to define a subtest for the "uridnsbl" directives.

Use the s6 branch for apache2-users

See merge request !154

Remove DKIM from the postfix-in -> postfix-out message flow

See merge request !153

This way we won't accidentally sign incoming untrusted messages,
regardless of their headers.

Fix usage of ip/i6 attributes in favor of "ips"

See merge request !152

It requires float!249 first.

Webauthn config changes

See merge request !151

This is to support first-path-match semantics, which the
accountserver code is switching to (but still remain
backwards compatible).