MailWasher suits people who want to review and filter messages before downloading them, including those using supported email services or programs.
Free plan Free trial AndroidiPhone & iPadWindowsSelf-hosted
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Best Email Anti-Spam Software 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.
02
SPAMfighter
It suits Windows users of the listed email clients who need phishing, malware, and attachment filtering.
AndroidiPhone & iPadWindows+3 Record5.7 Visit
03
Rspamd
Rspamd suits organizations operating their own mail systems that want gateway filtering and on-premises deployment.
WebMacLinux+2 Record5.6 Visit
04
Apache SpamAssassin
SpamAssassin is suited to system administrators who want to filter email on a server and configure spam rules themselves.
WindowsMacLinux+2 Record5.4 Visit
05
JetEmail
JetEmail may suit developers, businesses, and hosting providers that need marketing, transactional delivery, or inbound filtering in one service.
WebAPI Record5.2 Visit
6
SpamHero Business Email Security
WebAPI $5 a month, billed yearly Record4.8 Visit It suits organizations wanting cloud email filtering, quarantine management, continuity, and Microsoft 365 or Google Workspace support.
7
Mailprotector
WebAPI Free plan Record4.7 Visit Mailprotector is for managed service providers seeking email security products for client environments.
9
MX Guarddog
Web $0.25 usage-based Record4.6 Visit It is intended for organizations, schools, churches, police and government offices, and personal owners of domains using standard SMTP servers.
11
Symantec IT Management Suite
WebWindowsMac+3 — Record4.2 Visit It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments.
13
Cleanmail
WebSelf-hosted — Record4.0 Visit It is presented for companies, public and health organisations, and managed service providers seeking email filtering and continuity options.
15
Sophos Secure Message
Web — Record4.0 Visit Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.
17
MailChannels Inbound Filtering
WebAPI — Record3.7 Visit It suits hosting providers that operate email at scale and need filtering across multiple customer domains.
18
Mailinblack Protect
WebAPISelf-hosted — Record3.7 Visit Protect is aimed at companies, public administrations, and healthcare institutions seeking email threat filtering.
19
Vade for Microsoft 365
Web — Record3.7 Visit It is designed for managed service providers overseeing Microsoft 365 mailboxes across client tenants.
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