host said 550 unknown user (in reply to rcpt to command)
Forgot your user name? Create new registration. RCPT TO is the SMTP (Simple Mail Transfer Protocol) command to populate the recipient address, so this bounce is telling you that the recipient email address has been rejected. You can expect that this means the email box does not exist, but it may also be the users box is full or reasons. : host mail.qwerty.ru[220.127.116.11] said: 550-Postmaster verification failed while checking 550-Called: 18.104.22.168 550-Sent: RCPT TO550 Sender verify failed (in reply to RCPT TO command). testexample.com>: host mail.example.com[111.222.333.444] said: 550-Verification failed for 550-The mailThe account or domain may not exist, they may be blacklisted, or missing the proper dns entries. 550 Sender verify failed (in reply to RCPT TO command) SMTP error from remote mail server after RCPT TO:: host550 User unknown.
Resolving a 550 Email Error Bounceback.If we send email from our server, say using Wordpress, to an email on ParkedServer.
com, we get a 550 Error, No such user here. mydestination /etc/postfix/local-host-names. relaydomains mydestination.User-unknown-in-reply-to-RCPT-TO-command.html copy.enter email address (usertheirdomain.com) replace with real email. Let it run the test, and look for the line : sending: RCPT TO usertheirdomain.com response: 550 No such user (user theirdomain.com). 550 5.1.1 Unknown user rejecting. SMTP Error Codes.Behavior and the treatment of messages coming to unknown user accounts can be set from administration console: Management > [Domain] > Unknown Account. Привет всем,помогите решить проблему. Не отправляются письма на email,ни подтверждение ни запрос забытого пароля,ничего Подскажите пожалуйста в чем Articles. Discussions. User Groups. Videos. White Papers.is running my rest servers successfully only two server having problem .and log is generated to /usr/spool/root ----- The following addresses had permanent fatal errors ----- emailremoved (reason: 550 Host unknown) Content-Type I think FPE is not syncing with AD or exchange server, Please help me. shall i wait for some time to get replicate or any command which will force sync.Generating server: mail123-va3-R.bigfish.com. < 5.0.0 X-Postfix host fpe.abc.com[22.214.171.124] said: 550 5.1.1 User unknown (in reply to host outbound.mailhop.org[126.96.36.199] said: 550 failed recipient verification ( in reply to RCPT TO command). I have been through this article titled why cant I send email but did not find a problem comparing to my configuration. I saw this message in postfix logfile: : host mail.xxx.ro[188.8.131.52] said: 550. : Recipient address rejected: User unknown in virtual mailbox table ( in reply to RCPT TO command). This comportament is normal Remote host said: 550 Requested action not taken: mailbox unavailable or not > local > Giving up on 184.108.40.206.if no mostly the mailbox doest exist, or blocked by the user. Translation of user unknown is unclear? This is the unknown user. you try to send n Judging by the first line to the IP address, instead of mail. Users viewing this topic: none. Logged in as: Guest.The mail system xxxxxx.com: host 220.127.116.11[18.104.22.168] said: 550-Verification failed for Administratoraaa.com 550-The mail server could not deliver mail to administratoraaa.com. setgidgroup postdrop smtpdbanner myhostname ESMTP mailname (mailversion) smtpdmilters inet:127.0.0.1:8891 unknownlocalrecipientrejectcode 550 virtualtransport dovecot.Super User. Web Applications. Ask Ubuntu. The original message was received at Sat, 8 Apr 2006 11:04:26 GMT from localhost [127.0.0.1]. ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown). The sender issued a bad sequence for one of the following commands: HELO, EHLO, MAIL FROM, RCPT TO, DATA or AUTH. Wrong User or Password. SMTP Log File: AUTHEFAIL:TYPE (plain, login, CRAM-MD5, extrn). 504 Unknown authentication. : host mx1.hotmail.com[22.214.171.124] said: 550 Requested action not taken: mailbox unavailable ( in reply to RCPT TO command) I know this was renewed recently.User unknown (in reply to RCPT TO command).an email to yy.comThe user usernamexx.com gets a non-deliverable email from our on-premises Mail server (NDR) containing the following text: host550-Verification failed for 550-No such person at this. address 550 Sender verify failed (in reply to RCPT TO command). Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)).Client host rejected: Greylisted for 5 minutes (in reply to RCPT TO command)). Sep 7 03:50:11 vps11530 postfix/smtp: BBD59679E49C: to, relay When I use my server to send mail to a user who works at that company (which has an email-address ending on the domain-name registered at my server), my server just says: "Server replied: 550 "Unknown User"" I have configured the sendmail.cf with the smtp host name (Editing theWhen executed the mailx command to send the mail to an external mailUser unknown 550 5.1.1 TestIdTestSMTP.com User unknown <<< 503 5.0.0 Need RCPT (recipient) dsn5.0.0, 550 User unknown (in reply to RCPT TO command)).dsn4.7.1, statusdeferred (host in1-mtp.messagingengine.com[126.96.36.199] said: 451 4.7.1 : Recipient address rejected: User is over quota, try again later ( in reply to RCPT TO command)). User unknown [RCPTTO], sendmail.Sorry, we were unable to deliver your message to the following address. <>: Remote host said: 550 5.1.1 <> MailMsg.AlternateViews.Add(htmlView) Do not add a plain View as yahoo users use that as default.Failed Recipient: mironagygolden.net Reason: Remote host said: 550 Sender verify failed. -- The header and top 20 lines of the message follows If a host is listed in a DNSbl, your server would delay its response to every SMTP command issued by the peer for, say, 20 seconds.For instance: deny message unknown user !verify recipient/callout20s,deferok,usesender delay eval: rcptfailcount10 20s. 5.7.1 Unable to relay (in reply to RCPT TO command)) Jul 4 13:01:58 linuxserver postfix/smtp12, delays1.6/0/5/5.1, dsn5.7.1, statusbounced (host mydomainsbs.mydomain.local[10.220.10.4] said: 550.to smtpdclientrestrictions: Code: rejectunknownclienthostname. Adv Reply. When were trying to send mail to localdomain through mailx from linux box. It says "Diagnostic-Code: SMTP 550 host unknown" and mail not sent.No comments yet. Leave a Reply Cancel reply. Here are some common replies from recipient SMPT servers: Subject: Delivery Status NotificationSubject: Delivery Failure Failed Recipient: namedomain.com Reason: Remote host said: IPaddrSubject: Undelivered mail: User unknown 550 : User unknown in virtual Remote host said: 550 [SUSPEND] Mailbox currently suspended Allan she has made some typo, I wait for her reply with password.Host unknown (Name server: gmail: host not found). 3600s tlsrandomsource dev:/dev/urandom unknownlocalrecipientrejectcode 550.User Comments. Website Problems. CentOS 7.[111.222.333.444] mail from: testsite.com 250 OK rcpt to: knownusercompany.co.uk 550 unknown user 421. mail18.extendcp.co.uk: SMTP command timeout - closing connection Connection to host lost. So that is where the 550 unknown user was coming from, the email wasnt Diagnostic-Code: X-Postfix host /var/imap/socket/lmtp[/var/imap/socket/lmtp] said: 550-Mailbox unknown.said: 550-Mailbox unknown.550 5.1.1 User unknown (in reply to RCPT TO command)). Why is user unknown showing up when in the log, just prior to bounce I i configured postfix and dovecot. : host otherwebsite.com[188.8.131.52] said: 550-Verification failed forWordPress-on-1404.xxxxxx-xxx 550 WordPress-on-1404.xxxxxx-xxx (in reply to RCPT TO command)" and waiting for my support ticket to be answered. The mail system <[email protected]>: host ip.secureserver.net[/var/lib/imap/socket/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown ( in reply to RCPT TO command).but it comes and goes, some get through and for some I get a Failure Notice with a "Remote host said: 550 No Such User Here [RCPTTO]" message.I can read those emails that came through but I cant manage to reply to them. Any thoughts? Reply. Topic Options.Float this Topic for Current User. Bookmark. Subscribe."Remote host said: 550 5.1.1 unknown or illegal aliasSolved - my relation had given an incomplete address! Hence unknown.
Message 2 of 4 (1,115 Views). host mx1.kabeldeutschland.de[184.108.40.206] said: 550 Denied by policy. ( in reply to RCPT TO command). Anyone here, who can tell me, what to do to avoid this? mail.inskaya.loc[/var/imap/socket/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown ( in reply to RCPT TO command) Aug 6 09:10:05 mail postfix/lmtp: vstreamfflushsomeNOQUEUE: reject: RCPT from xyz.abc.co.il[220.127.116.11]: 450 4.1.7 : Sender address rejected: unverified address: host mail1.abc.co.il[18.104.22.168] said: 550 RecipientPostfix 2.11.3 Mail gateway: Recipient address rejected: User unknown in local recipient table. 0.bounced (host mail.bs3.hollants.com[private/dovecot-lmtp-in] said: 550 5.1.1 User doesnt exist: piefmail.bs3.hollants.com (in reply to RCPT TO command )).protocols imap lmtp service auth unixlistener /var/spool/postfix/private/dovecot-auth group postfix mode 0660 user postfix . The following are all examples of User Unknown messages: : host host.example.com said: 550 Spam blocks. : host ntserver.example.com refused to talk to me: 550 Permission denied. 550 5.1.1 User unknown. (in reply to RCPT TO command).Either there is no mailbox associated with this > 550-name or you do not have authorization to see it. 550 5.1.1 User > unknown > > (in reply to RCPT TO command) >. The error that the other server returned was: 550 550 5.1.0 Address rejected testtest.com (state 14). The solution of the problem lies within my MX records which was not set properly. There are a variety of factors that can affect whether or not you can send and receive email. This is the mail system at host smtp-.com.SimonLong, Make sure the user name is active user name and havent been deleted. In our role as Website Support specialists for web hosting companies, weve seen senders sending mails from other servers such as Exim, Postfix, etc. to Exchange servers, seeing this error in the bounce message: 550 5.1.1 User unknown (in reply to RCPT TO command). If you get a 550 error as a reply when you email a user with directadmin, saying Remote host said: 550 Unknown User or The error that the other server returned was: 550 550 Unknown User (state 13). or something equivalentfor d in cat /usr/local/directadmin/data/users/u/domains.list do . What our customers say.The recipient email address is not assigned to any user. Please check the email addresses and spelling! If the recipient is actually a distribution group and internal emails to that group work then it is a configuration problem.