[Bug 1215882]

[rns]

We have a [Smtpd.jsm](https://searchfox.org/comm-
central/source/mailnews/test/fakeserver/Smtpd.jsm) fakeserver for
testing, we don't have a test case for this bug though.

-- 
You received this bug notification because you are a member of Mozilla
Bugs, which is subscribed to Mozilla Thunderbird.
https://bugs.launchpad.net/bugs/1215882

Title:
  Emails are silently discarded on 554 reply to STARTTLS

To manage notifications about this bug go to:
https://bugs.launchpad.net/thunderbird/+bug/1215882/+subscriptions