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SMTP reply codes

 

See rfc2821 for the basic specification of SMTP; see also rfc1123 for important additional information.

See rfc1893 and rfc2034 for information about enhanced status codes.

Check the RFC index for further mail-related RFCs.

 

Reply codes in numerical order
Code Meaning Fehlerbehebung in der Newsletter Software SuperMailer
200 (nonstandard success response, see rfc876)

  
211 System status, or system help reply

  
214 Help message

  
220 <domain> Service ready

  
221 <domain> Service closing transmission channel

  
250 Requested mail action okay, completed Keine, der Newsletter wurde an den Postausgangsserver übermittelt. Der Server wird versuchen die E-Mail beim Zielserver zuzustellen. Ist diese nicht zustellbar, dann wird eine Hard bounce-E-Mail erzeugt, die z.B. mit SuperMailer-Bounce abgerufen werden kann.
251 User not local; will forward to <forward-path>

  
354 Start mail input; end with <CRLF>.<CRLF> Eine Antiviren-Software könnte den Versand blockieren, alternativ sind im SuperMailer zu viele Versandthreads eingestellt.
Im SuperMailer Menü Projekt - Einstellungen für den E-Mail-Versand, Registerkarte E-Mail-Versand die Anzahl Versandthreads verringern. Infos zur Berechnung der Versandthreads finden Sie in der Hilfe.
421 <domain> Service not available, closing transmission channel Meistens handelt es sich um Limits des E-Mail-Providers z.B. T-Online.
450 Requested mail action not taken: mailbox unavailable

  
451 Requested action aborted: local error in processing

  
452 Requested action not taken: insufficient system storage Auf dem Postausgangsserver ist der Speicherplatz aufgebraucht. Sie müssen den Versand abbrechen und etwas warten.
500 Syntax error, command unrecognised

  
501 Syntax error in parameters or arguments

  
502 Command not implemented

  
503 Bad sequence of commands

  
504 Command parameter not implemented

  
521 <domain> does not accept mail (see rfc1846)

  
530 Access denied (???a Sendmailism)

  
535 SMTP Authentication unsuccessful/Bad username or password Im SuperMailer Menü Projekt - Einstellungen für den E-Mail-Versand, Registerkarte E-Mail-Versand das Häkchen bei "Authentifizierung beim SMTP-Server notwendig" setzen und Benutzername/Passwort für ein Postfach beim E-Mail-Provider korrekt eintragen.
550 Requested action not taken: mailbox unavailable Einige Postausgangsserver prüfen sofort beim Versand die Existenz der E-Mail-Adressen, dabei wurde festgestellt, dass die jeweilige E-Mail-Adresse oder E-Mail-Domain nicht mehr existiert.
551 User not local; please try <forward-path>

  
552 Requested mail action aborted: exceeded storage allocation

 Die E-Mail konnte nicht übermittelt werden, da die Größe der E-Mail das vom Administrator eingestellte Limit überschritten hat.
553 Requested action not taken: mailbox name not allowed

 siehe SMTP-Fehler 535
554 Transaction failed

  

 

Reply codes grouped by command

 
Command Code Description
connect
220 <domain> Service ready
421 <domain> Service not available, closing transmission channel
HELO
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
521 <domain> does not accept mail [rfc1846]
421 <domain> Service not available, closing transmission channel
EHLO
250 Requested mail action okay, completed
550 Not implemented
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
421 <domain> Service not available, closing transmission channel
MAIL
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
421 <domain> Service not available, closing transmission channel
RCPT
250 Requested mail action okay, completed
251 User not local; will forward to <forward-path>
550 Requested action not taken: mailbox unavailable
551 User not local; please try <forward-path>
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
450 Requested mail action not taken: mailbox unavailable
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
503 Bad sequence of commands
521 <domain> does not accept mail [rfc1846]
421 <domain> Service not available, closing transmission channel
DATA
354 Start mail input; end with <CRLF>.<CRLF>
451 Requested action aborted: local error in processing
554 Transaction failed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
503 Bad sequence of commands
421 <domain> Service not available, closing transmission channel
received data
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
554 Transaction failed
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
RSET
200 (nonstandard success response, see rfc876)
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
421 <domain> Service not available, closing transmission channel
SEND
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 <domain> Service not available, closing transmission channel
SOML
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 <domain> Service not available, closing transmission channel
SAML
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 <domain> Service not available, closing transmission channel
VRFY
250 Requested mail action okay, completed
251 User not local; will forward to <forward-path>
550 Requested action not taken: mailbox unavailable
551 User not local; please try <forward-path>
553 Requested action not taken: mailbox name not allowed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 <domain> Service not available, closing transmission channel
EXPN
250 Requested mail action okay, completed
550 Requested action not taken: mailbox unavailable
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 <domain> Service not available, closing transmission channel
HELP
211 System status, or system help reply
214 Help message
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 <domain> Service not available, closing transmission channel
NOOP
200 (nonstandard success response, see rfc876)
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
421 <domain> Service not available, closing transmission channel
QUIT
221 <domain> Service closing transmission channel
500 Syntax error, command unrecognised
TURN
250 Requested mail action okay, completed
502 Command not implemented
500 Syntax error, command unrecognised
503 Bad sequence of commands

 

SMTP Commands:

Command Description References
ATRN Authenticated TURN. RFC 2645
AUTH Authentication. RFC 2554
BDAT Binary data. RFC 3030
DATA Data. RFC 2821
EHLO Extended Hello. RFC 2821
ETRN RFC 1985
EXPN Expand RFC 2821
HELO Hello RFC 2821
HELP Help RFC 2821
MAIL Mail RFC 2821
NOOP No operation RFC 2821
QUIT Quit RFC 2821
RCPT Recipient RFC 2821
RSET Reset RFC 2821
SAML Send and mail RFC 821
SEND Send RFC 821
SOML Send or mail RFC 821
STARTTLS RFC 3207
TURN Turn RFC 821
VRFY Verify RFC 2821

 

Quelle: http://www.greenend.org.uk/rjk/2000/05/21/smtp-replies.html und http://www.networksorcery.com/enp/protocol/smtp.htm

 

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