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https://datatracker.ietf.org/doc/draft-ietf-drums-smtpupd
RFC 2821: Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (RFC 2821, April 2001; obsoleted by RFC 5321)
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RFC 2821: Simple Mail Transfer Protocol
https://datatracker.ietf.org/doc/draft-ietf-drums-smtpupd
Simple Mail Transfer Protocol (RFC 2821, April 2001; obsoleted by RFC 5321)
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RFC 2821: Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (RFC 2821, April 2001; obsoleted by RFC 5321)
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10- og:titleRFC 2821: Simple Mail Transfer Protocol
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- og:descriptionThis document is a self-contained specification of the basic protocol for the Internet electronic mail transport. [STANDARDS-TRACK]
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