Simple, secure, scalable, and reliable: it's SMTP+

Take advantage of Mailup's speed, high deliverability, and tracking to send transactional emails from your e-commerce site, CRM system, or web application.

Your system, with a plus

    • For your e-commerce site
      Send transactional emails related to the entire buying process, quickly and with high deliverability.
    • For your inbox
      Optimize the performance of your inbox or your business email inbox.
  • Your system, with a plus
    • For your blog or site
      Send email without affecting the mail server where your blog or site is hosted, separating the reputations.
    • For your application
      Configure SMTP+ and send messages using the MailUp infrastructure without additional API and integrations

Boost systems and applications


  • Improve email deliverability
  • Configure multiple SMTP+ users
  • Automatically add footnotes
  • Send emails with attachments up to 10 MB
  • Create a database of recipients
  • Your send queue is shared with MailUp
Boost systems and applications

Optimize sendings with in-depth reports

To improve your messages' results, sending after sending, SMTP+   lets you browse the aggregate data for each work environment in different ways: from the time period under analysis to the subject of your transactional email.

Optimize sendings with in-depth reports
Learn more about aggregation criteria