SMTP Relay Services
Simple Mail Transfer Protocol (SMTP) is a standard for e-mail transmissions across the Internet and is required in order for POP and IMAP clients to send e-mail. An SMTP relay service may be required for internal applications—for example, with an online banking server that needs to send e-mails to a customer who forgot his or her password.
Importance Rating. Does the organization have any applications that require an SMTP relay such as IMAP/POP clients or applications that need to send e-mail notifications to end users? Record the importance of this functionality in the table below.
Solutions Rating. The list below compares the specific functionalities of each solution:
Standard offering. No SMTP relay services are provided. ...
Get Exchange Online—Evaluating Software-plus-Services now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.