I got ahold of the alioth admin and it turns out that gmail is accepting the messages and silently discarding them.
On 4/24/2017 9:35 AM, Phil Susi wrote: > Has anyone else not been getting mail from the list? It started missing > messages for me several days ago and now has completely stopped. I even > subscribed with another email address and besides the confirmation > message, it has gotten nothing. Also when I wrote the postman@ contact > listed on the web page, it bounced with 550 prohibited. >

