5.1.0 - unknown address error
5.1.0 address rejected
5.1.1 - bad destination email address
5.1.1 recipient not recognised
5.1.1 resolver.adr.recipnotfound
5.1.1 user unknown
550 5.1.0
550 5.1.1
550 5.7.1
550 invalid recipient
550 mailbox not found
550 unknown user
a message that you have sent could not be delivered
a message that you sent could not be delivered
account disabled
account inactive
address no longer valid
adresses de destination suivantes sont inconnues
an error occurred while trying to deliver
bermittlung an folgende empfänger fehlgeschlagen
cannot deliver mail to
casilla no existe
chec de la remise aux destinataires suivants
could not be delivered to one or more destinations
could not be delivered to some or all of the intended recipients
could not be successfully delivered to the following recipients
could not deliver message to the following recipient(s):
delivery failed 10 attempts:
delivery failed 20 attempts:
delivery failed 30 attempts:
delivery failed for following recipients
delivery failed; will not continue trying
delivery failure report
delivery has failed to these recipients
delivery notification: delivery has failed
delivery status : failed.
delivery to the following recipient failed
delivery to the following recipients failed
did not reach the following recipient(s):
domain could not be resolved
domain is invalid, permanent failure
e-mail account does not exist
each recipient was rejected
error en la entrega a los siguientes destinatarios
failed due to an unavailable mailbox
failed due to an unknown mailbox.
failed to deliver to
following address(es) failed:
following is/are the address(es) failed and reason for the failure
here is your list of failed recipients
host unreachable
i'm afraid i wasn't able to deliver your message to the following addresses
i'm not going to try again; this message has been in the queue too long
i'm sorry to have to inform you that your message could not
invalid final delivery userid:
is not accepting any mail
mail delivery failed: returning message to sender
mail failed, returning to sender
mailaddress is administrativley disabled
mailbox does not exist
mailbox has been suspended
mailbox not found
mailbox unavailable
mailbox unknown
maildir delivery failed
message could not be delivered to the domain
message not delivered to recipients below
no mailbox here by that name
no matches to nameserver query
no more mail servers left to try
no such local user
no such user
no valid recipients were found for this message
nosuchuser:
not a valid mailbox
not a valid subscriber
not able to deliver your message to the following addresses
not listed in public name & address book
not reachable within the allowed queue period
permanent problems with the following address
reason: 5.1.1
recapito non riuscito per i seguenti destinatari
recipient address rejected: user unknown in virtual alias table
recipient is unknown
rejected your message to the following email addresses
remote host said: 550
remote host said: 553
remote host said: 554
requested action not taken: mailbox unavailable
retry timeout exceeded
returned mail: host unknown
returned mail: user unknown
server was unable to find an email address that matched
smtp;550 5.1.1 resolver.adr.recipnotfound; not found
sorry, i couldn't find any host by that name
sorry, i couldn't find any host named
sorry, i wasn't able to establish an smtp connection
sorry, no mailbox here by that name
sorry. your message could not be delivered to:
technical details of permanent failure
the attached message had permanent fatal delivery errors
the e-mail account does not exist
the e-mail address you entered couldn't be found
the email account that you tried to reach does not exist
the following address(es) failed:
the following addresses had delivery problems
the following addresses had permanent delivery errors
the following addresses had permanent fatal errors
the following destination addresses were unknown
the following error occurred
the following errors occurred during message delivery processing
the following message could not be delivered
the following recipient(s) could not be reached:
the following recipients did not receive this message:
the following recipients were affected
the message has not been collected after 30 days
the message returned below could not be delivered
the message that you sent was undeliverable to the following:
the recipient name is not recognized
the user's email name is not found
the user(s) account is disabled
there is no user by that name at this server
these recipients of your message have been processed by the mail
this email address is no longer active
this is a permanent error. the following address(es) failed:
this is a permanent error;
this message could not be delivered
this message was undeliverable due to the following reason
transcript of session follows
unable to connect successfully to the destination mail server
unable to deliver message
unable to deliver message to the following address(es)
unable to deliver message to the following recipients
unable to deliver to recipient on remote mail host:
unable to locate server:
undeliverable mail
undeliverable message
undeliverable to
undelivered mail returned to sender
unknown address error 550
unknown user:
unresolvable:
user disabled
user mailbox exceeds allowed message count:
user not found
user not known
user not listed in public name & address book
user unknown
user unknown in virtual alias table
warning: could not send message for past 4 hours
was not delivered to
was unable to find an email address that matched
wasn't able to deliver your message to the following addresses
you recently sent an item of mail to
your email could not be delivered to
your email did not reach the intended recipient and has been discarded
your message cannot be delivered to the following recipients:
your message could not be delivered
your message did not reach its intended recipient
your message did not reach some or all of the intended recipients
your message did not reach the intended recipient
your message has encountered delivery problems
your message was sent to a group that does not exist
