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Tools for sending newsletter and email campaigns

The problem, in plain words: I’m looking for the best tool to send newsletter emails and email campaigns to a large list.

Listmonk fits best, with 3 more that fit too.

You want an email newsletter and campaign tool that can reliably send to a large subscriber list.

Updated June 2026.

What fits

Listmonkstrong · 92

It’s a self-hosted newsletter and mailing list manager explicitly built to scale to millions of subscribers, and it’s designed for sending newsletters and managing mailing lists.

Best for: You need a self-hosted newsletter sender that’s built for very large subscriber counts.

Billion Mailstrong · 86

It positions itself as a self-hosted email marketing platform with unlimited sending and real-time analytics, plus guided deliverability setup for sending reliably.

Best for: You want an all-in-one self-hosted tool for newsletter-style campaigns that can send without send caps.

Sendportalstrong · 83

It’s self-hosted email marketing for newsletters and campaigns, explicitly offering unlimited subscribers (so large lists are a core fit).

Best for: You need a self-hosted newsletter/campaign tool that’s meant to handle unlimited subscriber volumes.

Keilastrong · 66

Keila is a self-hosted newsletter platform focused on mailing lists and campaigns with full control, which aligns with newsletter sending to a large list.

Best for: You want self-hosted control for newsletter campaigns and mailing lists, but you’re less focused on explicit “millions/unlimited” language.

Partly fits

Broadcastpartial · 58

It’s self-hosted email marketing that covers broadcasts, automated sequences, and transactional email, but it doesn’t explicitly claim scaling to millions/unlimited subscribers in the provided text.

Won’t cover: It focuses on self-hosted campaigns and sequences, but it doesn’t clearly state that it’s built for very large subscriber volumes.

Plunkpartial · 54

It’s an open-source self-hosted platform unifying marketing, transactional, and broadcast emails, which fits campaign sending—but the provided details don’t explicitly address very large list scalability.

Won’t cover: It unifies marketing and transactional/broadcast messaging, but it doesn’t explicitly promise scaling for very large subscriber lists.

Notifusepartial · 52

It’s an open-source email platform for newsletters and transactional emails with a visual editor, aligning with newsletter and campaign creation and sending.

Won’t cover: It supports newsletter sending with a self-hosted visual editor, but it doesn’t clearly state that it scales to very large subscriber counts.

Questions

What's the best tool for sending newsletter and email campaigns?

Listmonk is the strongest match — It’s a self-hosted newsletter and mailing list manager explicitly built to scale to millions of subscribers, and it’s designed for sending newsletters and managing mailing lists.

Is there a tool that fully solves this?

4 products match this closely.

What won't these tools cover?

It focuses on self-hosted campaigns and sequences, but it doesn’t clearly state that it’s built for very large subscriber volumes. · It unifies marketing and transactional/broadcast messaging, but it doesn’t explicitly promise scaling for very large subscriber lists. · It supports newsletter sending with a self-hosted visual editor, but it doesn’t clearly state that it scales to very large subscriber counts.

Not quite your version of it?

Describe the problem in your own words and the matcher will read it fresh — including products too new to be anywhere else.

Matched by Matchbox. Nothing here is sponsored and payment never affects ranking. Products link to their listings; some are auto-extracted and not yet maker-verified.