June 2025
Beginner to intermediate
1180 pages
37h 48m
English
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26.10 Configuration Test and Troubleshooting
When you visit http://isnotspam.com or https://www.mail-tester.com, you will receive a random mail address to which you can send a test mail. However, the mail should contain real content, not just “test”; otherwise, it will fail the spam test. The email is then checked, and you receive a report that checks various aspects of the configuration (see Figure 26.7).
Figure 26.7 Analysis of Email Sent to mail-tester.com
At https://mxtoolbox.com, you can specify the host name of your mail server. The page checks if the DNS configuration is correct and if your server is blacklisted.
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