Overview
Mailscale is a B2B cold email platform from Zen Tech LLC. Its site describes natural-language search across 400M+ contacts, an AI copywriter that writes variants, pre-warmed domains, self-healing deliverability, phone enrichment and a reply agent.
Who it suits
B2B teams wanting contact search, copywriting and sending in one system.
Key features
- Natural-language contact search
- AI copywriter (up to 125 variants, per the site)
- Pre-warmed domains
- Self-healing deliverability
- Phone enrichment and reply agent
Pricing (as of 8 October 2026)
- No prices or free plan are on the page; the site says pricing is set on a booked strategy call.
Free plan or trial: No free plan is stated.
Prices change often. Confirm on the official site before you buy.
Pros and cons
Pros
- End-to-end outbound set-up
- Contact data included
- Reply handling
Cons
- No public pricing
- Requires a sales call
- Database size is a company claim
Alternatives on this site
FAQ
What is Mailscale?
Mailscale is a B2B cold email platform from Zen Tech LLC. Its site describes natural-language search across 400M+ contacts, an AI copywriter that writes variants, pre-warmed domains, self-healing deliverability, phone enrichment and a reply agent.
Is Mailscale free?
No free plan is stated. Check the official site for current terms.
How much does Mailscale cost?
No prices or free plan are on the page; the site says pricing is set on a booked strategy call. Information as of 8 October 2026; prices can change.
Who is Mailscale for?
B2B teams wanting contact search, copywriting and sending in one system.
Did you test it yourself?
No. This page is based on the official Mailscale website, read on 8 October 2026. We have not tested the tool hands-on.
How we researched this
We read the official Mailscale website on 8 October 2026 and summarised what it says. Where a figure is the company's own claim we say so. We have not hands-on tested Mailscale and this is not a rating. See how we review.