SMTP Status / reply Codes


Liste der SMTP Status bzw. reply Codes die der SMTP Server zurückschickt, falls etwas schief läuft – z.b. 250 was soviel wie alles O.K. bedeutet.
Im RFC 2821 werden die einfachen Spezifikationen vom SMTP erklärt inkl. der Codes. In den beiden RFC 1893 und RFC 2034 werden die erweiterten Status Codes erklärt.

Liste der SMTP Staus Codes sortiert nach Nummer:

200 (nonstandard success response, see rfc876)
211 System status, or system help reply.
214 Help message.
220

Domain service ready.
Ready to start TLS.

221 Domain service closing transmission channel.
250

OK, queuing for node node started.
Requested mail action okay, completed.

251

OK, no messages waiting for node node.
User not local, will forward to forwardpath.

252

OK, pending messages for node node started.
Cannot VRFY user (e.g., info is not local), but will take message for this user and attempt delivery.

253 OK, messages pending messages for node node started.
354 Start mail input; end with <CRLF>.<CRLF>.
355 Octet-offset is the transaction offset.
421 Domain service not available, closing transmission channel.
432 A password transition is needed.
450

Requested mail action not taken: mailbox unavailable.
ATRN request refused.

451

Requested action aborted: local error in processing.
Unable to process ATRN request now

452 Requested action not taken: insufficient system storage.
453 You have no mail.
454

TLS not available due to temporary reason.
Encryption required for requested authentication mechanism.

458 Unable to queue messages for node node.
459 Node node not allowed: reason.
500

Command not recognized: command.
Syntax error.

501 Syntax error, no parameters allowed.
502 Command not implemented.
503 Bad sequence of commands.
504 Command parameter not implemented.
521 Machine does not accept mail.
530

Must issue a STARTTLS command first.
Encryption required for requested authentication mechanism.

534 Authentication mechanism is too weak.
538 Encryption required for requested authentication mechanism.
550 Requested action not taken: mailbox unavailable.
551 User not local; please try forwardpath.
552 Requested mail action aborted: exceeded storage allocation.
553 Requested action not taken: mailbox name not allowed.
554 Transaction failed.

Einen Kommentar schreiben