SpamSieve vs Postgrey

Struggling to choose between SpamSieve and Postgrey? Both products offer unique advantages, making it a tough decision.

SpamSieve is a Security & Privacy solution with tags like email, spam, filter, bayesian, machine-learning.

It boasts features such as Bayesian spam filtering, Whitelist/blacklist, Rules for filtering, Quarantine for reviewing spam, Integrates with Apple Mail, Customizable interface, Updates spam definitions, Works offline, MacOS only and pros including Very accurate spam blocking, Easy to use, Customizable filters, Learns from user feedback, Lightweight, Seamless Apple Mail integration.

On the other hand, Postgrey is a Network & Admin product tagged with greylisting, smtp, email-delivery, antispam.

Its standout features include Delays initial SMTP delivery attempts to mitigate spam, Implements greylisting to force sending servers to retry delivery, Whitelists trusted senders to bypass greylisting, Maintains IP-based greylist and whitelist, Lightweight and fast written in C, Runs as daemon process, Easy installation, and it shines with pros like Effective at reducing spam, Simple and lightweight, Easy to configure, Open source and free.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

SpamSieve

SpamSieve

SpamSieve is an anti-spam plugin for Apple Mail on Mac that uses Bayesian filtering to identify and block spam messages. It learns from user labeling of messages as spam or not spam to improve accuracy over time.

Categories:
email spam filter bayesian machine-learning

SpamSieve Features

  1. Bayesian spam filtering
  2. Whitelist/blacklist
  3. Rules for filtering
  4. Quarantine for reviewing spam
  5. Integrates with Apple Mail
  6. Customizable interface
  7. Updates spam definitions
  8. Works offline
  9. MacOS only

Pricing

  • One-time Purchase

Pros

Very accurate spam blocking

Easy to use

Customizable filters

Learns from user feedback

Lightweight

Seamless Apple Mail integration

Cons

MacOS only, no Windows/mobile versions

Requires manual training

No cloud sync of settings

No Exchange server support

No Outlook support


Postgrey

Postgrey

Postgrey is an SMTP proxy program that temporarily delays mail delivery to help mitigate spam. It uses greylisting to reject initial email delivery attempts, forcing email servers to retry sending messages and confirming they are not spammers.

Categories:
greylisting smtp email-delivery antispam

Postgrey Features

  1. Delays initial SMTP delivery attempts to mitigate spam
  2. Implements greylisting to force sending servers to retry delivery
  3. Whitelists trusted senders to bypass greylisting
  4. Maintains IP-based greylist and whitelist
  5. Lightweight and fast written in C
  6. Runs as daemon process
  7. Easy installation

Pricing

  • Open Source

Pros

Effective at reducing spam

Simple and lightweight

Easy to configure

Open source and free

Cons

Can delay legitimate email delivery

Requires some server administration

May need to tweak settings for optimal performance

Not a complete spam solution