Tools to test your sending reputation with a email server

Reputation is one of the most important things when having your own mail server. Providers have no trouble blacklisting you because of emails potentially containing spam, or even when sending a lot of emails is one of the reasons to get blocked.

To help you build your reputation, here's a list of tools you can use to test your current deliverability score:

• https://www.senderscore.org/

• https://www.barracudacentral.org/lookups

• https://www.mail-tester.com/

• https://glockapps.com/spam-testing/

• https://postmaster.google.com/

When you do have the suspicion of emails not getting delivered, it is good to check the blacklists. Here's a list of the most common checkers.

• https://mxtoolbox.com/blacklists.aspx

• https://www.ultratools.com/tools/spamDBLookup

• https://www.debouncer.com/blacklistlookup