Summary: Fixes T3404 (post D11565), fixes T5952. This infrastructure has been getting deployed against Maniphest and its time to get these other two applications going on it.
Test Plan: created an email address for paste and used `./bin/mail receive-test` ; a paste was successfully created
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T5952, T3404
Differential Revision: https://secure.phabricator.com/D11570
