Best Email Gateway Products

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

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.

Open source secure email gateway

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.

freemium $12.0 / Monthly

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!

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

The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.

paid Free Trial $20.0 / One-off

Cloud & on-premise anti spam software for businesses

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

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

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

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?

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