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Auth0 B2B Essentials: SSO, MFA, and RBAC Built In
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
GITST Email Sender allows you to send multiple emails from multiple email accounts adding limits on each email account
For example, you want to send 500 from gmail then switch to yandex and send 300 from yandex and so on
that is all what it does sends unlimited emails from multiple different email accounts
it is basics of anti-spam penetration system
A python wrapper for Local Delivery Agents (for example, maildrop), which allows an unlimited number of extensions on a mail account with dot-qmail-like functionality.