In the FOSDEM deliverability meetups the subject of how to check the many aspects of mailserver config, and some tools were mentioned. Here they are for reference:
- Internet.nl
- MXToolbox (the one I usually use)
- Mail tester (includes spam assassin checks)
We plan to build these checks into Lightmeter in future, but for now the third party tests are very useful.
Which ones are missing from this list?