Typische Fehlermeldungen bei Unzustellbarkeit
Empfänger ist unbekannt oder existiert nicht mehr
T-Online
550 5.1.1 user unknown
GMX
550 5.1.1 ... User is unknown
550 5.2.1 ... User is inactive
Web.de
550 User unknown.
550 Benutzer nicht bekannt/User unknown
550 Unknown local part %alias% in
AOL
550 MAILBOX NOT FOUND
Freenet
550 unrouteable address
Yahoo
554 delivery error: dd This user doesn't have a yahoo.de account
554 delivery error: dd Sorry your message to %email@domain.tld% cannot be delivered. This account has been disabled or discontinued
Hotmail
550 Requested action not taken: mailbox unavailable
Compuserve
550 5.1.1 ... Mailbox not found
Lycos
550 : Recipient address rejected: User unknown in local recipient table
550 : Recipient address rejected: Account Closed
Sonstige Provider
550 : invalid address
550 RCPT TO: User unknown
550 5.2.0 No such mailbox
554 Sorry, no mailbox here by that name. (#5.1.1)
User %alias@domain.tld% not listed in Domino Directory
550 5.1.1 : Recipient address rejected: User unknown in virtual alias table
Server nicht erreichbar oder Domain existiert nicht
Sorry, I wasn't able to establish an SMTP connection. (#4.4.1)
E-Mail-Postfach des Empfängers ist voll
T-Online
552 5.2.2 Over STORAGE quota
Web.de
550 Benutzer hat das Speichervolumen ueberschritten. / User has exhausted allowed storage space.
550 Benutzer hat zuviele Mails auf dem Server. / User has too many messages on the server.
Lycos
mailbox full - quota exceeded
Sonstige Provider
552 5.2.2 Over quota
500 5.0.0 Depot returns error: <552 5.2.2 Over quota>
E- Mail-Nachricht wurde abgelehnt / gefiltert
Compuserve
554 Refused. Your reverse DNS entry contains your IP address and a country code.
Sonstige Provider
550 5.7.1 Requested action not taken: message refused
552 Error: message too large
Sonstige Ursache
550 Protocol violation
550 Recipient verification problem