MailWasher suits people who want to review and filter messages before downloading them, including those using supported email services or programs.
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Best Email Anti-Spam Software 2026
Facts read 19 Sep 2026 – 13 Nov 2026
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.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 MailWasher | MailWasher suits people who want to review and filter messages before downloading them, including those using supported email services or programs. | 6.0 | Free plan | Free plan | Android, iPhone & iPad, Windows, Self-hosted | 14 Oct 2026 |
| 02 SPAMfighter | It suits Windows users of the listed email clients who need phishing, malware, and attachment filtering. | 5.7 | $29 a year | Free plan | Android, iPhone & iPad, Windows, Mac | 15 Oct 2026 |
| 03 Rspamd | Rspamd suits organizations operating their own mail systems that want gateway filtering and on-premises deployment. | 5.6 | £100 a month | Free plan | Web, Mac, Linux, API | 15 Oct 2026 |
| 04 Apache SpamAssassin | SpamAssassin is suited to system administrators who want to filter email on a server and configure spam rules themselves. | 5.4 | Free plan | Free plan | Windows, Mac, Linux, API | 14 Oct 2026 |
| 05 JetEmail | JetEmail may suit developers, businesses, and hosting providers that need marketing, transactional delivery, or inbound filtering in one service. | 5.2 | $10 a month | Free plan | Web, API | 7 Oct 2026 |
| 06 SpamHero Business Email Security | It suits organizations wanting cloud email filtering, quarantine management, continuity, and Microsoft 365 or Google Workspace support. | 4.8 | $5 a month, billed yearly | Free trial | Web, API | 4 Oct 2026 |
| 07 Mailprotector | Mailprotector is for managed service providers seeking email security products for client environments. | 4.7 | Free plan | Free plan | Web, API | 15 Oct 2026 |
| 08 Zerospam | 4.6 | €5 a month | Free trial | Web | 4 Oct 2026 | |
| 09 MX Guarddog | It is intended for organizations, schools, churches, police and government offices, and personal owners of domains using standard SMTP servers. | 4.5 | $0.25 usage-based | Free plan | Web | 3 Oct 2026 |
| 10 Symantec IT Management Suite | It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments. | 4.2 | — | — | Web, Windows, Mac, Linux | 21 Oct 2026 |
SPAMfighter
It suits Windows users of the listed email clients who need phishing, malware, and attachment filtering.
AndroidiPhone & iPadWindows+3Rspamd
Rspamd suits organizations operating their own mail systems that want gateway filtering and on-premises deployment.
WebMacLinux+2Apache SpamAssassin
SpamAssassin is suited to system administrators who want to filter email on a server and configure spam rules themselves.
WindowsMacLinux+2JetEmail
JetEmail may suit developers, businesses, and hosting providers that need marketing, transactional delivery, or inbound filtering in one service.
WebAPIIt suits organizations wanting cloud email filtering, quarantine management, continuity, and Microsoft 365 or Google Workspace support.
Mailprotector is for managed service providers seeking email security products for client environments.
It is intended for organizations, schools, churches, police and government offices, and personal owners of domains using standard SMTP servers.
It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments.
It is presented for companies, public and health organisations, and managed service providers seeking email filtering and continuity options.
Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.
It suits hosting providers that operate email at scale and need filtering across multiple customer domains.
Protect is aimed at companies, public administrations, and healthcare institutions seeking email threat filtering.
It is designed for managed service providers overseeing Microsoft 365 mailboxes across client tenants.