About MailStack
MailStack is a free automated end-to-end email, sms and MFA testing platform and API for QA teams and developers. This free service allows you and your team to get unlimited email addresses and mailboxes. It also offers a free MFA/2FA API that makes end-to-end testing easier.
MailStack supports all types of CI/CD tools like CircleCI, Jenkins, TeamCity, etc. Feel free to contact us for anything related to MailStack.