Home > Smtp Error > Smtp Mail Error 501

Smtp Mail Error 501


This code is only useful for permanent failures. [RFC3463] (Standards Track) G. This can occur in gateways when features from one domain cannot be mapped onto the supported feature in another. [RFC3463] (Standards Track) G. If you have disabled Allow empty sender address, the sender verification will fail, since the recipients SMTP server tries to verify by using an empty sender address.

Search documentation Vaudreuil IESG X.3.5 System incorrectly configured Not given The system is not configured in a manner that will permit it to accept this message. [RFC3463] (Standards Track) G. http://phabletkeyboards.com/smtp-error/smtp-error-from-remote-mail-server-after-data-host-mxs-mail-ru.php

The message is being sent to an alias which does not point at a valid account 550 Not authorized. We're here to help you with any queries. Please note 501 can be caused by many other reasons, as described in link IANA above.In this specific it was due to incorrect values being sent by sendemail.py in FROM/TO fields Vaudreuil IESG X.4.2 Bad connection 421 The outbound connection was established, but was unable to complete the message transaction, either because of time-out, or inadequate connection quality. http://www.serversmtp.com/en/smtp-error

Smtp Error Codes 550

Vaudreuil IESG X.4.6 Routing loop detected Not given A routing loop caused the message to be forwarded too many times, either because of incorrect routing tables or a user- forwarding loop. If you are using a Cisco router, you may need to disable SMTP Fixup protocol. For example, the query may fail if the DNS server is unavailable or if the recipient domain does not exist. Vaudreuil IESG X.3.2 System not accepting network messages 453, 521 The host on which the mailbox is resident is not accepting messages.

Detail sub-codes may provide notification of transformations required for delivery. [RFC3463] (Standards track) G. Contact your provider to know more about it.503The server has encountered a bad sequence of commands, or it requires an authentication.In case of "bad sequence", the server has pulled off its But from Exchange 2007 onwards, this feature is absent. Smtp Error 421 If this DNS query fails, the above error message is reported.

If hMailServer did not re-authenticate connected users, there would be no way to disconnect a user which were sending spam (without stopping the. 550 Mail server configuration error. Mailbox issues are assumed to be under the general control of the recipient. [RFC3463] (Standards track) G. It can come with side messages like "Goodbye" or "Closing connection".The mailing session is going to end, which simply means that all messages have been processed.250Its typical side message is "Requested Vaudreuil IESG X.2.3 Message length exceeds administrative limit 552 A per-mailbox administrative message length limit has been exceeded.

Both the sender and recipient must permit the exchange of messages and arrange the exchange of necessary keys and certificates for cryptographic operations. [RFC3463] (Standards track) G. Smtp 421 Service Not Available This would not have been a problem in case the exchange Server was Exchange 2000 or 2003. Kucherawy IESG X.7.26 Multiple authentication checks failed 550 This status code is returned when a message failed more than one message authentication check, contrary to local policy requirements. This is useful for both permanent and persistent transient errors.

Smtp Enhanced Status Codes

When hMailServer delivers an email to an external recipient, it does a DNS query to determine where the email message should be delivered. http://www.iana.org/assignments/smtp-enhanced-status-codes/smtp-enhanced-status-codes.xhtml This error typically indicates a client defect or a hacking attempt. 501 EHLO Invalid domain address. Smtp Error Codes 550 For further troubleshooting, check the hMailServer error log. Smtp Error Code 554 Double-check all the configurations and in case ask your provider.211System status message or help reply.It comes with more information about the server.214A response to the HELP command.It contains information about your

For domain names, this means the address portion to the right of the "@" is invalid for mail. [RFC3463] (Standards Track) G. http://phabletkeyboards.com/smtp-error/smtp-error-from-remote-mail-server-after-mail-from-exim.php Just read it and be happy that everything is working (so far)!221The server is closing its transmission channel. Related ContentWhat is SMTPWhat is my SMTPWhat is an SMTP serverFree SMTP serverEmail delivery failure and other problemsError 550 GET IT FREE6.000 free emails/monthNo Credit Card requiredThe email template affects deliverability This is useful only as a permanent error. [RFC3463] (Standards Track) G. Smtp Error Codes Rfc

Vaudreuil IESG X.1.6 Destination mailbox has moved, No forwarding address Not given The mailbox address provided was at one time valid, but mail is no longer being accepted for that address. Message content or media issues are under the control of both the sender and the receiver, both of which must support a common set of supported content-types. [RFC3463] (Standards track) G. Vaudreuil IESG X.7.YYY Security or Policy Status The security or policy status codes report failures involving policies such as per-recipient or per-host filtering and cryptographic operations. navigate here Used in place of 4.4.3 or 5.5.2 as described in Sections 8.6 and 8.7 of [RFC7208]. [RFC7372] (Standards Track); [RFC7208] (Standards Track) M.

In .C++, C#, and PHP add \r\n to the end of every line. Smtp Error 451 The mails get rejected, giving this error message in the logs: SMTP MAIL command failed Error (501) 5.1.7 Invalid address Today, we'll see what this error means and how to fix Required fields are marked *Comment * Name * Email * CAPTCHA Code* Get the best web hosting and server administration information in the industry right in your inbox.

LEARN MORE CONTACT US ServicesServer ManagementServer AdministrationEmergency Server SupportLinux Server ManagementWhat We DoSystem Software ManagementServer/Application InstallationIssue TroubleshootingServer HardeningPerformance TuningServer MonitoringEmergency SupportDisaster Recovery ManagementData MigrationDevOps CloseDesign and Development By strict adherence to

So, even if aliases are used, they get automatically converted to fully qualified email addresses by the Exchange server. Of course, with a professional SMTP provider like turboSMTP you won't ever deal with this issue.552"Requested mail actions aborted – Exceeded storage allocation": simply put, the recipient's mailbox has exceeded its This indicates a bug in the SMTPclient. 504 Authentication mechanism not supported. Smtp 240 The first solution is recommended since it reduces the risk that anyone will send spam through your server.

We won't share your info with anyone. The client SHOULD retry with a new authentication mechanism. [RFC4954] (Standards Track) R. After it has done this, a transaction is started which is not finished before the entire message has been delivered to the email server.If the client wishes to abort the transaction his comment is here This can apply to any field in the address.

The host name the sending server gives in the HELO command should resolve to the IP address of the same server. Yes No Please tell us what we can do better. {{feedbackText.length ? These 3rd party applications or mail servers include sender alias or recipient alias in MAIL FROM: or RCPT TO: command without full email domain name appended. This error message is issued if grey listing is enabled, and the sender, recipient and IP address triplet does not match an existing greylisting triplet. 500 Line too long If a

Some spammers and incorrectly working software sends messages which are not correctly formatted.