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Postgrey VS K9

Compare Postgrey VS K9 and see what are their differences

Warmbox.ai
Warm up your cold email inbox, and never land in spam anymore! featured
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Postgrey logo Postgrey

Postgrey is a Postfix policy server implementing greylisting developed by David Schweikert.

K9 logo K9

K9 is an email filtering application that works in conjunction with your regular POP3 email program...
  • Postgrey Landing page
    Landing page //
    2021-09-29
Not present

Postgrey videos

No Postgrey videos yet. You could help us improve this page by suggesting one.

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K9 videos

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2019 Kia K900 / K9 Review - I Drove It In Korea! Not a Walkaround!

More videos:

  • Review - Kahr K9 - Review - TheFireArmGuy
  • Review - Kahr Arms K9 - Can It Compete Against Todays Single Stacks? (Comparison Review)

Category Popularity

0-100% (relative to Postgrey and K9)

Postgrey

K9

Email
32 32%
Email
68% 68
Email Security
100 100%
Email Security
0% 0
Email Clients
27 27%
Email Clients
73% 73
Cyber Security
100 100%
Cyber Security
0% 0

User comments

Share your experience with using Postgrey and K9. For example, how are they different and which one is better?
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Social recommendations and mentions

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.

Postgrey mentions (3)

  • Spammed by a Hacker News Enthusiast
    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 / over 1 year ago
  • Spam domains that plague my email
    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
  • Dumb question: how do you pronounce "postgres"...
    Not to be confused with the GreyList service for Postfix - Postgrey. Source: over 2 years ago

K9 mentions (0)

We have not tracked any mentions of K9 yet. Tracking of K9 recommendations started around Mar 2021.

What are some alternatives?

When comparing Postgrey and K9, you can also consider the following products

SpamAssassin - Use this program to "Unspam" your mailbox(es).

Newton Mail - Newton is a fully featured mail client available for Android, iOS, macOS and Windows.

Spamihilator - The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.

myMail - myMail is the smart email app for managing all your accounts on iOS and Android.

Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.

Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

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