[tech] Mail to username@{mussel/morwong/mermaid}

[Matt Johnston]

Hi all.

At some point in the past, some of UCC's machines were set
up incorrectly, and mail was sent with a From address of
"username at morwong.ucc.gu.uwa.edu.au" or similar (likewise
for mermaid and mussel).

Nowadays, we're getting large amounts of spam to these
addresses, and (as far as I can see) very little genuine mail.

I'm intending to remove the MX mail record for those hosts
soonish, if anyone is still using those email addresses (or
has other concerns), please speak up :)

Matt