Codification SMTP

Ce sont les codes de réponses définis pour le protocole SMTP afin d'indiquer l'état courant de la communication en mode client-serveur. Cette liste est particulièrement utile dans le cas où vous souhaitez créer votre propre système de messagerie à l'aide des commandes TCP de bas niveau.

|------------|------------| |211|System status, or system help reply| |214|Help message [Information on how to use the receiver or the meaning of a particular non-standard command; this reply is useful only to the human user]| |220| Service ready| |221| Service closing transmission channel| |250|Requested mail action okay, completed| |251|User not local; will forward to | |354|Start mail input; end with .| |421| Service not available, closing transmission channel [This may be a reply to any command if the service knows it must shut down]| |450|Requested mail action not taken: mailbox unavailable [E.g., mailbox busy]| |451|Requested action aborted: local error in processing| |452|Requested action not taken: insufficient system storage| |500|Syntax error, command unrecognized [This may include errors such as command line too long]| |501|Syntax error in parameters or arguments| |502|Command not implemented| |503|Bad sequence of commands| |504|Command parameter not implemented| |550|Requested action not taken: mailbox unavailable [E.g., mailbox not found, no access]| |551|User not local; please try | |552|Requested mail action aborted: exceeded storage allocation| |553|Requested action not taken: mailbox name not allowed [E.g., mailbox syntax incorrect]| |554|Transaction failed|