What RFCs should be considered when developing an SMTP client?

Theoretically, the comment request set (RFC) contains everything that a developer needs to know to create an SMTP client. However, it is not always easy to know which RFCs to consider and which ones to ignore.

Does anyone have an RFC roadmap to manage developers? By RFC, I mean:

  • A complete list of RFCs that you must read and understand in order to develop an SMTP client.
  • An indication of which RFCs are no longer necessary to consider since they have been replaced.
  • Summary of relevant RFCs.
  • Learn more about how relevant RFCs are interconnected.
  • An indication of the logical order to read and understand the relevant radar.
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2 answers

The Wikipedia article contains a good list of related RFCs.

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You should read RFC 5321 first and then RFC 5322 ... assuming you already know how to handle DNS queries.

The old answer was read 2821, then 2822 ... but it seems that it has been updated.

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Source: https://habr.com/ru/post/906802/


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