Voir la RFC 2821, laquelle revisite la RFC 821 (qui définit le protocole SMTP). Dedans, ils expliquent que pour plusieurs fonctionalités, il doit y avoir requette DNS (enregistrements MX).
Section 3.6 Domains
Ils en parlent
Section 3.7 Relaying
"A relay SMTP server is usually the target of a DNS MX record that designates it, rather than the final delivery system. The relay server may accept or reject the task of relaying the mail in the same way it accepts or rejects mail for a local user."
Section 5. Address Resolution and Mail Handling
"Once an SMTP client lexically identifies a domain to which mail will be delivered for processing (as described in sections 3.6 and 3.7), a DNS lookup MUST be performed to resolve the domain name [22]. The names are expected to be fully-qualified domain names (FQDNs)...."
Et puis, comme dit doublehp, sans ça, comment déterminer le domaine cible dans un hébergement virtuel ?
# rfc correspondante
Posté par taldius . En réponse au message courrier @ip. Évalué à 4.
Section 3.6 Domains
Ils en parlent
Section 3.7 Relaying
"A relay SMTP server is usually the target of a DNS MX record that designates it, rather than the final delivery system. The relay server may accept or reject the task of relaying the mail in the same way it accepts or rejects mail for a local user."
Section 5. Address Resolution and Mail Handling
"Once an SMTP client lexically identifies a domain to which mail will be delivered for processing (as described in sections 3.6 and 3.7), a DNS lookup MUST be performed to resolve the domain name [22]. The names are expected to be fully-qualified domain names (FQDNs)...."
Et puis, comme dit doublehp, sans ça, comment déterminer le domaine cible dans un hébergement virtuel ?