Mailshake

Mailshake is a sales engagement platform built for cold email outreach and B2B lead generation. It lets teams run personalized, automated campaigns across email, phone, and social — with AI (SHAKEspeare) to help write outreach copy, plus tools for finding prospects, warming up domains, and tracking replies. For sales teams and founders doing outbound, Mailshake bundles the pieces of a modern outreach workflow into one platform.

What is Mailshake?

Mailshake is an AI-powered sales engagement platform designed for cold email outreach and B2B lead generation, enabling teams to automate personalized campaigns across email, phone, and social channels. Its features include a Data Finder for prospect research and email discovery, SHAKEspeare AI for automated email copy generation, email deliverability tools (domain setup, warmup, and list cleaning), a Lead Catcher engagement dashboard, multi-channel outreach with an email sequence engine plus a phone dialer and social automation, mail merge and automated follow-ups for personalized sequences at scale, analytics for opens, replies, and conversions, and integrations with Gmail, Outlook, Salesforce, HubSpot, and Pipedrive. Mailshake reports being trusted by 100,000-plus companies, with customers citing strong results. It offers paid plans by role and feature set for sales engagement and outreach.

What it does well

• Multi-channel outreach: email, phone, and social in sequences.
• AI copy: SHAKEspeare helps write outreach messages.
• Deliverability: domain warmup and list cleaning built in.
• Prospecting: Data Finder plus CRM integrations.

Who it is for

Mailshake fits sales teams, SDRs, founders, and agencies doing outbound B2B outreach and lead generation who want to run personalized email, phone, and social sequences at scale, with AI help writing copy and tools to protect deliverability and find prospects. Its CRM integrations suit teams using Salesforce, HubSpot, or Pipedrive. Those doing only occasional outreach, or wary of cold email, may not need it, and outreach should follow anti-spam laws and good practices, but for sales teams running structured outbound, Mailshake is a capable, well-adopted choice.

Things to keep in mind

• Cold outreach must follow anti-spam laws and good sending practices.
• AI-generated outreach copy should be reviewed and personalized.
• It is a paid platform aimed at active outbound teams.

Our verdict

Mailshake is a capable sales engagement platform, and its strength is bundling the modern outbound workflow: multi-channel sequences across email, phone, and social, SHAKEspeare AI to help write copy, a Data Finder for prospects, and deliverability tools like domain warmup and list cleaning — all with CRM integrations. For sales teams and founders running structured outreach and lead generation, that is a practical, all-in-one toolkit, and wide adoption backs it up. Cold outreach must follow the rules and AI copy needs personalizing, but for outbound sales teams, Mailshake is a solid choice.

Frequently asked questions

What is Mailshake?

Mailshake is a sales engagement and cold email outreach platform that automates personalized campaigns across email, phone, and social, with AI copy help via SHAKEspeare.

What AI does Mailshake have?

It offers SHAKEspeare AI to generate outreach email copy, alongside a Data Finder for prospects and deliverability tools.

What does Mailshake integrate with?

It integrates with Gmail, Outlook, Salesforce, HubSpot, and Pipedrive, among others.

Who is Mailshake for?

It is for sales teams, SDRs, founders, and agencies doing outbound B2B outreach and lead generation who want multi-channel sequences with AI assistance.

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