I used these tools in the past: https://mxtoolbox.com/ https://www.mail-tester.com/. - Source: Hacker News / about 2 months ago

Suprised to not see https://mxtoolbox.com in this list too. - Source: Hacker News / 6 months ago

MX Toolbox - https://mxtoolbox.com/ - may be a place to start digging. Source: 7 months ago

You can try https://mxtoolbox.com/. Source: 7 months ago

The url I want is https://mxtoolbox.com/ and the https://mxtoolbox.org/ one redirects to malware. Source: 7 months ago

Agreed, though I combine using Little Snitch with Radio Silence: https://radiosilenceapp.com Little Snitch is great for when I want hyper granular control of a specific app's network permissions while Radio Silence gives me a super quick way to just block EVERYTHING for a particular app right away without even opening it the first time. - Source: Hacker News / about 1 year ago

I'm using radio silence for years and it is awesome :) https://radiosilenceapp.com. - Source: Hacker News / over 1 year ago

Forgot to mention Radio Silence (commercial), seen by many as an easier introduction vs Little Snitch. Source: over 1 year ago

Sorry for the late reply. I use Lulu which should be enough, but I also simultaneously use Radio Silence to be safe. Source: almost 2 years ago

Little Snitch (LS) is considered by many to be the gold standard. The aforementioned Lulu has a good reputation. The app Hands Off! Appears to be no longer developed (site offline). Then there's Radio Silence that may well fit your needs. Finally, one or more apps by Murus may be of interest but AFAIK these are not easy to configure and may be overkill for the average Mac user. I'm not familiar with TripMode. Source: over 2 years ago