It isn't used and Postfix was never configured to use it.
/cc @fukawi2
Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
It isn't used and Postfix was never configured to use it.
/cc @fukawi2