Microsoft SMTP Server Alternatives [Page 3]

Mailo is an email client where you can send and receive emails to and from anyone with an email address.

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)

PowerMTA is an industrial-strength software for high-volume email delivery.

Free utility to send emails from the command line. No Installation. All contained in one file.

Open Source

Lightweight, cross-platform SMTP client

Open Source

Save time and scale faster with accessible, secure, and reliable cloud email services. A proven multitenant email solution for telcos and service providers.

freemium $1.3 / Monthly (Per mailbox)

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

Mailu is a simple yet full-featured mail server as a set of Docker images.

Email Testing for QA & Development Teams.

ArgoSoft Mail Server is a best in the class webmail server that is basically the suit of multiple servers, FTP server and various other forms of servers that allow the users to manage all of their servers.

hMailServer is a free e-mail server for Microsoft Windows.

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

freemium $1.0 / Monthly (per user)

Horde Groupware is a free, enterprise ready, browser based collaboration suite.

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)