mail/qmailmrtg7: Reinstante port

[otis]

Summary

• Update to working download location
• Reinstate port
• Bump PORTREVISION

And while here, also reformat Makefile according to portfmt and portclippy

PR: 251953
Submitted by: Charles Lecklider <[e-mail]>

[osa]

The MOVED file needs to be updated.

[osa]

@ale Please let us in case you want to continue to maintain the port. Otherwise we need to find another maintainer or reset maintainer to ports@.

[swills]

Yeah, new ports can't have ports@ as maintainer, and I think that would apply by extension to restored ones.

[otis]

Update MOVED and connect to the build

[ale]

Given this is a simple port with almost zero dependencies and stopped development, the maintenance work should be zero. I can do it if nobody else wants to do it.

[otis]

@ale I can do it as well (as I've already proceeeded to take this PR).

[osa]

LGTM.

[otis]

Closed in r563213