MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Warmbox.ai - Warm up your cold email inbox, and never land in spam anymore!
Mailjet - All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.
MailReach.co - The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.