Domain Mangling Regression

[sunnycemetery at gmail.com]

Goodness gracious, I came to the right place.  You are a sharpshooter.

2022-03-01, 19:31, Kevin J. McCarthy:
> I believe this behavior is from libidn2.

This was exactly right.

Incidentally, my sendmail program (msmtp) seemed to refuse to override  
the envelope's From header, regardless of the options I threw at it.   
Meanwhile, unsetting idb_encode seems to have done the trick.

Thank you!