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3 réponses
nwer
254
limité par le forward / rfc 2821
In addition to restrictions on syntax, there is a length limit on
email addresses. That limit is a maximum of 64 characters (octets)
in the "local part" (before the "@") and a maximum of 255 characters
(octets) in the domain part (after the "@") for a total length of 320
characters. However, there is a restriction in RFC 2821 on the length of an
address in MAIL and RCPT commands of 254 characters. Since addresses
that do not fit in those fields are not normally useful, the upper
limit on address lengths should normally be considered to be 254.
limité par le forward / rfc 2821
In addition to restrictions on syntax, there is a length limit on
email addresses. That limit is a maximum of 64 characters (octets)
in the "local part" (before the "@") and a maximum of 255 characters
(octets) in the domain part (after the "@") for a total length of 320
characters. However, there is a restriction in RFC 2821 on the length of an
address in MAIL and RCPT commands of 254 characters. Since addresses
that do not fit in those fields are not normally useful, the upper
limit on address lengths should normally be considered to be 254.
cf: https://kakesa.net/?2006/08/30/35-longueur-dune-adresse-de-courriel-email