Saleshandy is a cold email platform that helps organizations increase their email outreach operations without sacrificing quality. On Saleshandy, you can send hundreds (or thousands) of campaigns with multi-stage automated follow-up emails to your leads at once. You can use merge tags to customize your email campaigns and have automated follow-ups delivered based on the previous email's interaction (opens or clicks).
Does the job!
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Email Verifier - Email verifier app lets you verify email.
Mailtrack.io - The best email tracking solution I've found. Free
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Yesware - Sell smarter with email tracking and more