Sendmail Relay Error 550

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Sendmail Relay Error 550


Same as the first scenario, except that you send an e-mail message to a person whose e-mail address ends with DNS Configuration on DNS-Server The relay host, the mailbox host and all hosts in DMZ must be inserted in the DNS for the domain ARKUM.CH. Preventing "Relaying Denied" To use a mail server, you must prove to the mail server that you are authorized to send email. In this example, we show the configuration for the well known MTA (Message Transfer Agent) sendmail on RedHat Linux 7.0. navigate here

When I log into my webmail (squirrelmail) I can send mail no problem. What's your /var/log/maillog file contents ? Do you know what it might be? This only works for sender addresses (i.e., it indicates that you should discard anything received from the indicated domain).

Error 550 Outlook

IN MX 20 If you want to be able to send mail when using a different connection, you will need to ask your ISP if "SMTP authenticated login" is supported. Return-Path: Received: (qmail 21768 invoked by uid 60001); 13 Apr 2008 03:57:31 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024;; h=X-YMail-OSG:Receivedate:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=0r5g0eg5ZEJUvcc1BsenOXq07D0oLl4757dHbU+o+4E9T4UI TfvTHZX2MdxORS3PiqLYwvRHicbdr3somz/X0E1u6rCekee9TJNrGJpeEOaWjZNyHILlXa29qpPYaaZ25eH2J pru7DoY6Pbf1EPjiu6/XwNQ0s2UUTxU5rKMxmo=; X-YMail-OSG: ootIvtQVM1m83ABlPhOLm1Jcbkri3sxDfqXBZ7TDYiGQjU1zPo 9_F50RvXziOBpVuchjBMxPrt5cs46UH3Vq6n4pEwSJCyaYFWXY MUFKjCNQ0maPKT0- Received: from []

Sent (Message accepted for delivery) Closing connection to >>> QUIT 221 SMTP Service closing transmission channel If you get an output similar to the above, your internet delivery is Missing DNS data QAA02454: ... Escape character is '^]'. 220 ESMTP Postfix (Debian/GNU) ehlo localhost 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250 8BITMIME - SMTP authentication is enabled Postconf -n is: Code: alias_database = hash:/etc/aliases Error 550 Relay Not Permitted falko, Jan 14, 2007 #14 xionax New Member falko said: And do you use the correct username and password in your email client?

In fact, it implicitly suggests to ISPs and reciving systems that you don't really care about your list hygiene - just like spammers: so with time you could be penalized and Relaying Denied Sendmail massimopasquali, Jan 10, 2007 #9 falko Super Moderator ISPConfig Developer Did you enable "Server requires aurthentication" in your email client? Join Date Apr 2008 Location HK Posts 18 Sendmail 550 5.7.1 Relay denied problem Dear all, I have install sendmail in Redhat 8. This mail relay host provides the following tasks: All incoming SMTP-Mail will be processed by the relay host.

Mail are used differently, and this topic does not apply to those e-mail accounts. Smtp 550 Relaying Denied Note that this changed in sendmail 8.9; previous versions allowed relaying by default. No. There are several types of restrictions in use today: Require SMTP authentication     Just as you must use a password to access your POP3 (incoming) server for your e-mail messages, this option

Relaying Denied Sendmail

Apr 13 19:18:14 localhost sendmail[1784]: m3D3MsYI009908: to=, ctladdr= (500/500), delay=07:55:11, xdelay=00:00:00, mailer=esmtp, pri=750468,, dsn=4.0.0, stat=Deferred: Connection timed out with There are two cases in which you may get an undesired 550 Relaying denied: local sender to external recipient: Then the relay (relay=host.domain [IP.ADD.RE.SS]) must be in the relevant classes or Error 550 Outlook Your ISP can provide you with additional information. Sender Not Authorized For Relay Office 365 For example: 550 We don't accept mail from spammers OK OK 128.32 RELAY Would accept mail from, but would reject mail from all other hosts at

Which version do I have? In addition, you're asking the SMTP server to take your message and then connect to another SMTP server for delivery to the recipient's mailbox. Remember, since /etc/mail/access is a database, after creating the text file as described below, you must use makemap to create the database map. When you send an e-mail message that encounters a relay error, your SMTP (outgoing) e-mail server might return your e-mail message with an error message such as one of the following: Is Not Authorized To Relay Messages Through The Server That Reported This Error.

Bye! Spammers use the relaying ability of SMTP servers to mask the true origin of the junk e-mail by relaying it through third-party servers that permit such open relays. SMTP is the protocol — standards that computers use to communicate with each other — that most e-mail servers use to send e-mail messages across the Internet. O OldStyleHeaders=True # SMTP daemon options O DaemonPortOptions=Name=MTA # SMTP client options #O ClientPortOptions=Family=inet, Address= # Modifiers to define {daemon_flags} for direct submissions #O DirectSubmissionModifiers # Use as mail submission program?

However, you still can't send mail and you receive an error message. Server Error 550 Windows Live Mail If your server administrator is using this method, you must specify a return e-mail address domain that matches your current connection. Sender OK >>> RCPT To: 250 [email protected]

The rejected e-mail address was ''.

Your mail should be processed normally. When you use an e-mail program, such as Outlook, that lets you store your e-mail messages on your computer, you need access to an SMTP server to send e-mail messages. A network administrator can configure the server so that if you first connect and authenticate with the POP3 e-mail server, it will approve any request that you make to send an Return Code 550 Sid This is the most common choice.

In your email client you have to activate something like "Server needs authentication." for that mailbox. Each time that you connect, you are not assured of having the same IP address. This will bypass the SMTP server altogether, and deliver each email directly to the recipient. Under a so-called open relay server, there were no restrictions on who was allowed to send via the SMTP server.

O UseErrorsTo=False # log level O LogLevel=9 # send to me too, even in an alias expansion? #O MeToo=True # verify RHS in newaliases? The SMTP server can't validate you as an authorized subscriber of the ISP. Connecting to If this solution doesn't work for you, or you prefer to use your home ISP account, your next step is to contact your ISP and ask if any of the options

Thanks! No. edit: Almost forgot to mention; I'm running Debian Sarge. Xenforo skin by Xenfocus Contact Us Help Imprint Home Top RSS Terms and Rules Forum software by XenForo™ ©2010-2014 XenForo Ltd.

Please configure your Postfix as described here: falko, Feb 12, 2007 #16 nevernamed New Member Same Problem I seem to be having the same problem. Join Date Apr 2008 Location HK Posts 18 I try to send mail from yahoo mail to my mail box but not succeed, it returns the following error message. _____________ Hi.