getapp-logo

App comparison

Add up to 4 apps below to see how they compare. You can also use the "Compare" buttons while browsing.

GetApp offers objective, independent research and verified user reviews. We may earn a referral fee when you visit a vendor through our links. 

Free Anti-spam Software

Last updated: March 2026

1 filter applied

Features


Integrated with


Pricing model


Devices supported


Organization types


User rating


9 software options

ALTOSPAM logo

Effectively protect all your company's emails

learn more
Free
From 7€ to 19€ ht /y/user (depending on the number of emails addresses).

Read more about ALTOSPAM

Users also considered
LeanMail logo

Don't give up finding a solution for email until you try LM

learn more
Free
We offer a 30-day free trial and an initial free training to companies with a minimum of 20 employees. Each of our modules are sold separately or in bundles. Pay only for what you need.

Read more about LeanMail

Users also considered
IPQS logo

Fraud prevention solution for proactively detecting fraud

learn more
Users also considered
MailCleaner logo

Cloud & on-premise anti spam software for businesses

learn more
Free
MailCleaner Cloud Anti-Spam - hosted and maintained on MailCleaner's backbone network: $130/year MailCleaner Cloud Appliance - dedicated cloud based virtual appliance with users' own settings: $1655/year MailCleaner Virtual Appliance: full business anti spam software for hardware or virtual machine: $827/year

Read more about MailCleaner

Users also considered
INLYSE Malware.AI logo

VISUAL AI BASED MALWARE DETECTION

learn more
Users also considered
SilverSky Email Protection Suite logo

Advanced email security and compliance for SMBs

learn more
Free
Please contact SilverSky directly for pricing details.

Read more about SilverSky Email Protection Suite

Users also considered
IRONSCALES logo

We catch the phish that others miss!

learn more
Free
Starter - Free (Up to 500 mailboxes) Email Protect - $6.00 Per mailbox / Per month Complete Protect - $8.33 Per mailbox / Per month

Read more about IRONSCALES

Users also considered
M365 Manager Plus logo

Management, reporting, auditing, and monitoring of Microsoft

learn more
Free
Standard Edition starts at $345 per month for 100 users/mailboxes Professional edition starts at $595 per month for 100 users/mailboxes Contact ManageEngine for more information on pricing.

Read more about M365 Manager Plus

Users also considered
spambarrier logo

First-class spam and virus protection for your domain.

learn more
Free
Faire Abrechnung nach Domain und nicht pro Benutzer

Read more about spambarrier

Users also considered