Best Email Anti-Spam Software in 2026
Updated
In short: MailWasher is ranked #1 of 20 as of 4 October 2026, ahead of Mailprotector and Libraesva Email Security. The best-ranked option with a free plan is Mailprotector. The lowest first paid tier on this page is MX Guarddog at $0.25/mo.
Managing unwanted or risky email means weighing message screening alongside what happens to flagged mail. Compare phishing detection with malware and attachment scanning, then check supported mail platforms and deployment type for fit with your environment. Quarantine access and retention describe further handling details; free-plan availability and paid-from pricing add cost context. MailWasher, JetEmail, and Mailprotector are among the entries, with Mimecast Data Leak Prevention and Cleanmail also shown. Use the listed criteria to consider how each option addresses screening, quarantine review, and platform compatibility for your email setup. The details make it possible to compare the stated capabilities without assuming a particular approach will suit every organization.
20 email anti-spam software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 MailWasher iPhone + Android RecognisedPhone appDocumentedFree plan 8.3$4.16/mo Phishing detection: YesMalware scanning: Yes
- 2 Mailprotector No phone app RecognisedPhone appDocumentedFree plan 7.9Free
- 3 Libraesva Email Security No phone app RecognisedPhone appDocumentedFree plan 7.3
- 4 Mailinblack Protect No phone app RecognisedPhone appDocumentedFree plan 7.3 Phishing detection: YesMalware scanning: YesAttachment scanning: Yes
- 5 SpamTitan Gateway No phone app RecognisedPhone appDocumentedFree plan 7.2
- 6 Cleanmail No phone app RecognisedPhone appDocumentedFree plan 7.0 Phishing detection: YesMalware scanning: Yes
- 7 Forcepoint Email Security Cloud No phone app RecognisedPhone appDocumentedFree plan 6.7 Phishing detection: YesMalware scanning: YesAttachment scanning: Yes
- 8 MX Guarddog No phone app RecognisedPhone appDocumentedFree plan 6.6$0.25/mo Phishing detection: YesMalware scanning: Yes
- 9 MailChannels Inbound Filtering No phone app RecognisedPhone appDocumentedFree plan 6.4 Phishing detection: YesMalware scanning: Yes
- 10 SpamHero Business Email Security No phone app RecognisedPhone appDocumentedFree plan 6.4$5/mo
- 11 N-able Mail Assure No phone app RecognisedPhone appDocumentedFree plan 6.2
- 12 JetEmail No phone app RecognisedPhone appDocumentedFree plan 6.2$29/mo
- 13 Proxmox Mail Gateway No phone app RecognisedPhone appDocumentedFree plan 6.0€15.83/mo
- 14 Vade for Microsoft 365 No phone app RecognisedPhone appDocumentedFree plan 6.0 Phishing detection: YesMalware scanning: YesAttachment scanning: Yes
- 15 Apache SpamAssassin No phone app RecognisedPhone appDocumentedFree plan 5.8 Phishing detection: YesMalware scanning: YesAttachment scanning: Yes
- 16 Zerospam No phone app RecognisedPhone appDocumentedFree plan 5.7€5/mo Phishing detection: YesMalware scanning: Yes
- 17 Rspamd No phone app RecognisedPhone appDocumentedFree plan 5.5
- 18 Cisco Catalyst Center No phone app RecognisedPhone appDocumentedFree plan 5.2
- 19 SpamSieve No phone app RecognisedPhone appDocumentedFree plan 5.1 Malware scanning: NoAttachment scanning: Yes
- 20 Symantec IT Management Suite No phone app RecognisedPhone appDocumentedFree plan 4.6
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which email anti-spam software is ranked first on Samsung Mobile US Press?
MailWasher is ranked #1 of 20 with a score of 8.3. Mailprotector is second and Libraesva Email Security third.
How many of these have a free plan?
3 of the 20 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, MX Guarddog has the lowest first paid tier we found: $0.25/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.