Other actions: Submit Errata | Find IPR Disclosures from the IETF. All status codes returned by the server must agree with the primary response code, that is, a 2xx response must incorporate a 2.X.X code, a 4xx response must incorporate a 4.X.X code, and a 5xx response must incorporate a 5.X.X code.

[STANDARDS-TRACK] Mon 2008-10-20 16:11:36: * relays.ordb.org - failed

All emails sent by a client, mobile device or server use SMTP to deliver the messages from the source to the destination mail server.

CommandNotImplemented 502

Try it for free There are no Message-ID or Date headers in the messages being generated by your program.
1. An SMTP error's three numbers get us a detailed list of ESMTP/SMTP server response codes, as laid down in RFC 821 and later extensions: 211 - A system status message. SMTP reply codes . And, I believe this is a TCP/IP RFC connection in that case which option are you using - "Start of Application Server" or "Registered Server Program"? This memo defines an extension to the SMTP service [RFC-821, RFC-1869] whereby an SMTP server augments its responses with the enhanced mail system status codes defined in RFC 1893.

[ RFC7505 ] (Standards Track) Motivations Hosts on the Internet have shifted from large, general-purpose hosts to smaller, more specialized hosts.
554 is commonly used by dns blacklists when shooing away blacklisted servers.

Check the RFC index for further mail-related RFCs. Discuss this RFC: Send questions or comments to iesg@ietf.org. 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. Crafting a neatly coded HTML layout is essential to boost your delivery rate.We suggest to do that with MailStyler, an excellent and easy-to-use software.. Abstract. Abstract This memo defines a new Simple Mail Transfer Protocol (SMTP) [1] reply code, 521, which one may use to indicate that an Internet host does not accept incoming mail. The specified user is not local, but the receiving SMTP service accepted the message and attempted to deliver it. GET IT FREE 6.000 emails email per month no credit card require The email template affects deliverability too.

This status code is defined in RFC 1123, which is available at https://www.ietf.org. Also, strictly speaking SMTP requires that the lines are CRLF delimited. 1. SMTP Service Extension for Returning Enhanced Error Codes (RFC 2034, October 1996) I'm assuming .

214 - A help message for a human reader follows. That may be why they're getting rejected.

This status code is returned when the associated sender address has a null MX, and the SMTP receiver is configured to reject mail from such sender (e.g., because it could not return a DSN). Hi Santosh, Is your verrfc translink software & the SAP application on the same server? SMTP is the mechanism that is used between mail servers to exchange emails. ClientNotPermitted 454: The client was not authenticated or is not allowed to send mail using the specified SMTP host. I can't tell whether that's what you've got or not.

SMTP stands for Simple Mail Transfer Protocol.