It's safer for dovecot to export metrics via a UDS instead of tcp port,
this will add support for that option.
### Required for all PRs:
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- [x] Updated associated README.md.
- [x] Wrote appropriate unit tests.
resolves#9215
dovecot: Add support for unix domain sockets as well
Many of the examples provided within documentation are using a single
dash for the command line arguments, but the telegraf executable
explicitly has two dashes.
There are also some inconsistencies with the ordering of the command
line argument examples. I've ordered them so that the examples will
show: config, config-directory, input-filter, test
Josef Johansson
Russ Savage
Greg
Daniel Nelson
Zack Zatkin-Gold
Michele Fadda