About this relay
A mailbox relay in Chicago, United States, run by Petrov University Computing Services and first listed in Jan 2012.
As a mailbox relay, it holds encrypted messages until their recipients collect them, and deletes each one once it has been collected, or after thirty days.
It was retired on Nov 17, 2025.
History
Listed in the directory.
Upgraded to relay software 2.0.
Passed the annual operator review.
Unreachable for 2 hours after a power failure at the hosting site.
Moved to new hardware.
Upgraded to relay software 3.0.
Retired after the operator merged its relays onto fewer machines.