Flowmailer Alternatives

Identify & fix your email deliverability issues for free 👀

The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it's perfect for side projects, MVPs or the next big thing.

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.

Visit website paid $19.5 / Monthly (Pro)

Reach the Inbox, not the spam folder.

paid Free Trial $29.0 / Monthly (100 Emails a Day)

turboSMTP is a reliable, powerful, easy-to-use SMTP server that maximizes the deliverability of all...

Open source mail delivery platform, alternative to Mailgun or Sendgrid

Open Source

SMTP provides scalable affordable email infrastructure for all your sending needs.

Jira Service Management is an online development platform that facilitates users with multiple services.

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Open Source

WP Mail SMTP is an online platform that facilitates users with multiple facilitation.

Google's encompassing suite of cloud-based business apps.

ServiceNow ITSM is a pure information technology service management system that leverages you with the set of workflows and tools that permits you to develop, deliver, and manage IT services professionally.

Get more from your email list.

freemium

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.