On Wed, 19 Aug 2009, Hector Santos wrote:
Just a confirmation, is a domain allowed to have single and double quotes?
Not in SMTP.
Domain = sub-domain *("." sub-domain)
sub-domain = Let-dig [Ldh-str]
Let-dig = ALPHA / DIGIT
Ldh-str = *( ALPHA / DIGIT / "-" ) Let-dig
The 822/2822/5322 syntax is more liberal. However double quotes are still
not permitted except in domain literals.
In email the ' character is used as an apostrophe not as a quotation mark
(except by Microsoft).
Tony.
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