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Help: test-find-mx
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Bounty program for improvements to Tcl and certain Tcl packages.
Tcl 2018 Conference, Houston/TX, US, Oct 15-19
Send your abstracts to tclconference@googlegroups.com
or submit via the online form by Aug 20.

The "test-find-mx" command:

Usage: fossil test-find-mx DOMAIN ...

Do a DNS MX lookup to find the hostname for sending email for
DOMAIN.