The feed story for this was x renamed this from to Sample

Is this a test or a bug report? If it's a bug report, how can I reproduce it?

It is, I planned on digging into it more. Tasks created via email don't get "created" feed stories. They say "renamed"

The easiest fix is probably to add a TYPE_CREATE transaction into ReplyHandler or MailReceiver alongside the other creation transactions.

I think I have a fix but can't find the command line trick you showed me to test it.

Something like:

$ cat raw_mail.txt | ./scripts/mail/mail_handler.php

I found T10983#175931 with a search for "mail command line test" although I vaguely remember typing out more complete instructions but couldn't find them either.

There's also bin/mail receive-test but that only accepts mail --to an existing object, not a random email address, right now. We could make that more flexible to make testing a little easier (raw_mail.txt must be a full piece of mail with proper headers and encoding, but bin/mail receive-test accepts just the plain text of a body and simulates all the headers/encoding/envelope stuff).