MailHog VS SmtpMan

What are some alternatives?

When comparing MailHog and SmtpMan, you can also consider the following products

Mailtrap - Email Delivery Platform that delivers just in time.
 Great for businesses and individuals.

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.

FakeSMTP - FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.

MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...

Mailosaur - Email Testing for QA & Development Teams.

MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!