SpamSieve 3
Aspam filter for email that trains as it works
Train it by classifying selected messages as good or spam.
$39.99 (about £40) FROM c-command.com/spamsieve NEEDS macOS 10.13 or later
SpamSieve never stops learning, and training it is both quick and simple
MAC FORMET
VERDICT
Already established as the best, version 3 brings extensive improvements to this essential tool.
★★★★★
+Outstanding accuracy
+Easily trained
+Mail and Outlook support
+Extensive customisation