Analyze emails for spam & blacklists
MailHog - MailHog is an email testing tool inspired by MailCatcher, but easier to install.
testmail.app - QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc.
Mailtrap - Email Delivery Platform that delivers just in time. Great for businesses and individuals.
MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...
Mailtrack.io - The best email tracking solution I've found. Free
Mailosaur - Email Testing for QA & Development Teams.