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https://datatracker.ietf.org/doc/html/rfc780

RFC 780: Mail Transfer Protocol

Mail Transfer Protocol (RFC 780, ; obsoleted by RFC 788, RFC 821, RFC 974, RFC 1870, RFC 1869)



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RFC 780: Mail Transfer Protocol

https://datatracker.ietf.org/doc/html/rfc780

Mail Transfer Protocol (RFC 780, ; obsoleted by RFC 788, RFC 821, RFC 974, RFC 1870, RFC 1869)



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https://datatracker.ietf.org/doc/html/rfc780

RFC 780: Mail Transfer Protocol

Mail Transfer Protocol (RFC 780, ; obsoleted by RFC 788, RFC 821, RFC 974, RFC 1870, RFC 1869)

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