Best Email Gateway Products in 2025

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

Key Proxmox Mail Gateway features:

Open Source Cost-Effective High-Quality Spam Detection Comprehensive Security

PlexTrac is the #1 AI-powered platform for pentest reporting and threat exposure management, helping cybersecurity teams efficiently address the most critical threats and vulnerabilities.

Key PlexTrac features:

Comprehensive Reporting Collaboration and Integration Centralized Vulnerability Management User-Friendly Interface

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Open Source Email Gateway that provides Spam, Virus and Malware protection, PDF, S/MIME, PGP e-mail encryption, e-mail archiving, SPF, DKIM and DMARC.

Send email directly from your client-side Javascript code – no server side code required. Add static or dynamic attachments, dynamic parameters, captcha code and more. Start with our free tier!

Key EmailJS features:

No Server Code Required Integration with Multiple Services Ease of Use Free Tier Availability

Data247 has a service for all of your data needs. We provide real-time data including carrier lookup, CNAM, Email-to-SMS, and Email-to-MMS gateway services.

Key Data247 features:

Text@ Carrier247(USA) Carrier247 (International) Carrier247 (Carrier Type)

freemium $12.0 / Monthly

Open source secure email gateway.

MailScanner is a open source email security system design for Linux-based email gateways.

Key MailScanner features:

Comprehensive Security Open Source Cost-Effective Integration Capabilities

Send time-sensitive texts and email campaigns, track results, and manage your business conversations on the most popular channels.

Key Textmagic features:

Send texts online Two-way conversations with SMS chat Schedule text messages in advance SMS marketing campaigns

paid Free Trial $0.05 (Flexible plans: pay-as-you-go or tiered SMS subscriptions)

Cloud & on-premise anti spam software for businesses.

Key MailCleaner features:

Effective Spam Filtering Open Source Cost-Effective Comprehensive Documentation

Enterprise AI cloud security: prevent phishing, malware, data leakage, account takeover, & shadow IT for full-suite cloud applications like Office 365™.

DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...

Key DeliverySlip features:

Secure Email Communication eSignatures Tracking & Notifications Integration

Trend Micro develops server security, cloud security, and small business content security solutions.

Key Trend Micro features:

Comprehensive Security Suite Cloud and Hybrid Security User-Friendly Interface Regular Updates

Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.

Key Proofpoint features:

Comprehensive Email Security Advanced Threat Intelligence Scalability Data Loss Prevention

Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

Key Virtru features:

Ease of Use End-to-End Encryption Access Controls Time-Based Access