One of the most popular email services, Gmail keeps track of all your emails with threaded conversations, tags, and Google-powered search to find any message you need.

Microsoft Outlook is a web-based suite of webmail, contacts, tasks, and calendaring services.

Microsoft Office 365 Business is a complete office suite in the cloud. It provides all the standard office products like Excel, Outlook, Word, SharePoint and more, but available from any internet enabled computer! Zapier does not currently support Outlook.com addresses or Home 365 accounts, only business or Enterprise.

Send emails to Mailparser, get structured data in return. Leads, Contact Forms, eCommerce, Shipping Notes, Attachments, Customer Info & more.

Front is the shared inbox for teams that brings your email, communication channels, and apps into one platform for collaboration.

Zoho Mail is a collaborative business communication platform for the modern workforce. It is a blend of classic email and the modern collaboration tools using comments, likes and sharing.

NeverBounce is an email verification service that improves deliverability and helps businesses adhere to strict deliverability guidelines.

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft.

RocketReach helps you find email, phone and social links for over 250 million professionals, across 6 million companies, worldwide.

Klenty is a sales engagement and lead generation tool that helps you send personalized emails and automated followups at scale.