Smtp
Smtp groups the cybersecurity tools focused on smtp, pulled from across every category so you can compare every option in one place. Filter by category or pricing to narrow the field. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Browse 18 cybersecurity solutions, with 0 security professionals searching monthly
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Generates DMARC TXT records and rollout plans to prevent exact-domain email spoofing
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
Automated brute-force detection & blocking for on-prem Exchange Server.
LLM-powered multi-channel social engineering simulation & assessment platform.
DNSBL of end-user IP ranges that should not send email directly to MX servers.
Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation.
cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.
S/MIME certificates for end-to-end email encryption and signing.
Carrier-grade outbound spam & botnet detection solution for ISPs.
Email server application with groupware functions for Microsoft Windows
IMAP-Honey is a honeypot tool for IMAP and SMTP protocols with support for logging to console or syslog.
SMTP honeypot tool with configurable response messages, email storage, and automatic information extraction.
A simple honeypot that collects credentials across various protocols
An Outlook add-in that enables one-click reporting of suspicious emails to security teams with integrated statistics tracking and SMTP header collection.
SMTP Honeypot with custom modules for different modes of operation.
