# Instantly

> Cold-email sending with mailbox warm-up and rotation.

- **Task:** Send email that lands · **Kind:** Service · **Region:** Global
- **Price:** paid (as reviewed 2026-09-05) · **Third party:** https://instantly.ai
- **Canonical:** https://find.do/t/instantly/

## What it is for

Running outreach from secondary domains at small daily volumes with warm-up built in.

Tags: cold email, outreach, warm-up

## Used in these for.do playbooks

- [Run a cold email campaign that gets replies (and stays out of spam)](https://for.do/p/cold-email-outreach/)

## Also for “send email that lands”

- [Google email sender guidelines](https://find.do/t/google-email-sender-guidelines/) (official) — The rules Gmail applies to bulk senders — authentication, unsubscribe, spam rate.
- [beehiiv](https://find.do/t/beehiiv/) — Newsletter platform built around growth — referrals, recommendations, ad network.
- [Buttondown](https://find.do/t/buttondown/) — A minimal, developer-friendly newsletter tool with Markdown and an API.
- [Kit (formerly ConvertKit)](https://find.do/t/kit/) — Creator email with automations, landing pages and commerce.
- [MXToolbox](https://find.do/t/mxtoolbox/) — Checks SPF, DKIM, DMARC, MX and blacklists for a domain.
- [NeverBounce](https://find.do/t/neverbounce/) — Email list verification to keep bounces under control.
- [Substack](https://find.do/t/substack/) — Newsletter publishing with a built-in discovery network and paid tiers.