When the parser sees the "@", it goes into "email state". In email
state, it recurses, trying to find out if the string after the "@" is a
valid hostname. That in turn goes into email state, recurses again and
so forth, until you reach the end of the string. Then, the recursion
unwinds back to the first @, moving on to the next character. At the
next "@" the cycle repeats.
True
Since the recursion only wants to know if the string after "@" is a
valid hostname, we can stop the recursion as soon as we find out that
it's not. The attached patch does that.
Committed to HEAD, 8.3 and 8.2, thank you. Previous releases are not affected.
--
Teodor Sigaev E-mail: teo...@sigaev.ru
WWW: http://www.sigaev.ru/
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