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E-Warmup is an automated email warmup platform that improves email deliverability by building sender reputation through authentic engagement signals. It connects to Gmail, Outlook, SMTP, SendGrid, Amazon SES, Mailgun, and other major email providers to warm...

Front is a customer communication platform that brings email, chat, and social messages into shared inboxes. Teams collaborate on replies, assign conversations, and automate workflows to handle customer messages at scale. It was founded in 2013 and went...

Bento is a bootstrapped email marketing and automation platform combining campaigns, transactional email, segmentation, and visual workflow automation for SaaS companies and solopreneurs. It offers developer-friendly SDKs for Rails, Laravel, Node, and Python.

Klar is a free AI-powered spam filter for Apple Mail that runs entirely on your Mac. It uses a modern multilingual model to detect spam, phishing, and marketing emails across 100+ languages, moving unwanted messages to Junk automatically. With no account...

Missive is a collaborative shared inbox that combines team email, chat, and task assignment in one app. Teams use it to manage shared addresses and discuss messages internally before replying. The bootstrapped company launched in 2015 from Quebec, Canada.

Plunk is an open-source, self-hostable email platform built on AWS SES that brings transactional emails, marketing broadcasts, and automations into a single developer-friendly API. It targets indie developers and small SaaS teams.

Buttondown is a minimalist newsletter platform for writers and creators, with a Markdown editor, automations, analytics, RSS publishing, and paid subscriptions. Run as a small, independent business, it is favored by developer-minded writers who value...

FranklyMail provides email hosting on your own domain with unlimited users and domains for a flat $9 per year. Unlike per-seat pricing models, FranklyMail charges based on storage usage, making it affordable for individuals and teams of any size. The service...