Re: récupérer les erreurs smtp (email invalide, ...)

["Jean-Yves F. Barbier" <12ukwn@gmail.com>]

Stephane Bortzmeyer a écrit :
...
> La régle qui dit que le trait bas n'est pas accepté à droite du @ est
> le RFC 5321, section 2.3.5. En gros, elle dit que la partie à droite
> du @ doit être acceptable comme nom de machine. 
>   
> These components ("labels" in DNS terminology, RFC 1035 [2]) are
> restricted for SMTP purposes to consist of a sequence of letters,
> digits, and hyphens drawn from the ASCII character set [6].  Domain
> names are used as names of hosts and of other entities in the domain
> name hierarchy.

effectivement: jsuis fatigué, c'était bien dans la rfc2821 (SMTP) @4.1.2:

To promote interoperability and consistent with long-standing
guidance about conservative use of the DNS in naming and applications
(e.g., see section 2.3.1 of the base DNS document, RFC1035 [22]),
characters outside the set of alphas, digits, and hyphen MUST NOT
appear in domain name labels for SMTP clients or servers.  In
particular, the underscore character is not permitted.

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