Are the HELO and MAIL FROM commands both necessary in SMTP? Why or why not?

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Data Communications and Networking

ISBN: 978-0073376226

5th edition

Authors: Behrouz A. Forouzan

Question Posted: Dec 17, 2018 07:59 AM

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Are the HELO and MAIL FROM commands both necessary in SMTP? Why or why not?

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The HELO command is needed so that the client ca...View the full answer

Data Communications and Networking

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