公开(公告)号：US20220247810A1

公开(公告)日：2022-08-04

申请号：US17163058

申请日：2021-01-29

Applicant: salesforce.com, inc.

Inventor： Patrick Morrison Bennett

IPC: H04L29/08 ,  H04L29/12 ,  G06F9/455

Abstract: A method by an email sending system to send emails from different public sending network addresses. The method includes receiving, by a load balancer, an email that is to be sent by the email sending system, sending, by the load balancer, the email to a mail transfer agent (MTA) instance from a plurality of MTA instances, wherein each of the MTA instances has access to configuration data that indicates which proxy virtual machines (VMs) serve as egresses for which public sending network addresses, determining, by the MTA instance, a public sending network address to send the email from, determining, by the MTA instance based on consulting the configuration data, a proxy VM that serves as an egress for the public sending network address, and sending, by the MTA instance, the email to the proxy VM for sending to its destination from the public sending network address.