Based on our record, Postgrey seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This is what mailinabox does (https://mailinabox.email/) to combat spam and it has worked remarkably well. In the few years I've been running my own mail server I have received ZERO spam in my inbox. For more info, the technique is called greylisting https://postgrey.schweikert.ch/. - Source: Hacker News / almost 2 years ago
I've used Postgrey, for Postfix, and it's greatly reduced my spam. However, first emails from new folk are delayed a bit. https://postgrey.schweikert.ch/. - Source: Hacker News / almost 2 years ago
Not to be confused with the GreyList service for Postfix - Postgrey. Source: over 2 years ago
Hacker News Front Page Explorer - A database of top ranking Hacker News front page posts
SpamAssassin - Use this program to "Unspam" your mailbox(es).
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Spamihilator - The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.