Smtp error from remote server for rcpt to command web.de

08:17:14 xxx postfix/pickup[17607]: 1463561FE1: uid=xxx from= 08:17:14 xxx postfix/cleanup[18506]: 1463561FE1: message-id= 08:17:14 xxx postfix/qmgr[32337]: 1463561FE1: from=, size=1100, nrcpt=1 (queue active…

Sending to remote addresses (relaying) is not allowed. general@freifunk-westerwald.de: SMTP error from remote server for RCPT TO command, host: ankaa.uberspace.de (185.26.156.54) reason: 554 Refused.

That error message is appearing because the mail client is sending only a bare. It's not your e-mail server that rejects the client, but an external SMTP server 

SMTP Error Codes & SMTP Status Codes & SMTP Reply Codes… SMTP Status 251 : The account is not local to the ISP server but the ISP server will accept the and will fward it (the server will Relay your message, this is the most common action f ISP Mail servers the recipient will see your ISP in the… Centrum.cz experimentuje s e-maily 08:17:14 xxx postfix/pickup[17607]: 1463561FE1: uid=xxx from= 08:17:14 xxx postfix/cleanup[18506]: 1463561FE1: message-id= 08:17:14 xxx postfix/qmgr[32337]: 1463561FE1: from=, size=1100, nrcpt=1 (queue active… n_tcpip | Transmission Control Protocol | Internet Protocols

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Currently, you need to manually lookup all reverse DNS names for all IP addresses that your SMTP server host name points to, for example by using the host command. How to Configure an SMTP Relay Connector in Exchange Server… How to configure an Exchange Server 2013 receive connector to allow internal and external SMTP for applications and devices in your network. US6986037B1 - Electronic mail system with authentication… An electronic mail (“e-mail”) system is described that enforces authentication or encryption to/from Mail Transfer Agents and from Mail User Agents. In one embodiment, for example, an electronic mail (e-mail) system is described that… Configure mail server - Organic Design

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You receive a bounce email with error 550 Message rejected ... Web Applications · 26. Web Server Remote host said: 550 Message rejected. Although SMTP error 550 is a generic message, it is often used to indicate a spam filter ERROR: "That domain isn't in my list of allowed rcpthosts" when trying to  SMTP Connector Inbound Response Codes - MailEnable 29 Jun 2002 Error Description: This response is sent from the SMTP server when a remote and instructs a remote SMTP server or client that the DATA command was. retail client but when using scripts or web pages it may not be the case. Usually you will see that the client is sending a RCPT TO command while  Client host rejected : Rejected : Phishing ? - Avec Réponse(s ... Bonjour, je ne peux pas recevoir de mail d'une personne. A chaque SMTP error from remote server for RCPT TO command, host: mx.bbox.fr 


Learn what SMTP and Esmtp codes are in this article for email bounce diagnostics.