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Fix email maximum length: an entire email address can be up to 254 ch…#167

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Fix email maximum length: an entire email address can be up to 254 ch…#167
quique wants to merge 1 commit intowebvimark:masterfrom
quique:migration

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@quique quique commented Mar 7, 2017

…aracters long.

See RFC 3696 erratum 1690:
https://www.rfc-editor.org/errata_search.php?eid=1690

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.

…aracters long.

See RFC 3696 erratum 1690:
https://www.rfc-editor.org/errata_search.php?eid=1690

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.
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