Tracing to 5.5-0-smtp-550.de[a] 192.54.112.30 (192.54.112.30) IP HEADER -

Apr 10, 2007 . If i try and send an email to hotmail or msn i get the below error message (almost

May 10, 2008 . Your message did not reach some or all of the intended recipients. Subject: FW:

<mail.sorkincomputer.net #5.5.0 smtp;552 Requested action not taken: . This

server after RCPT TO <email-address>, 550 5.1.1 User unknown” or “SMTP Error

I have a random problem that was just reported to me by a couple of users. He

Sep 16, 2008 . <owa.chicagotech #5.5.0 smtp;550 OU-002 Mail rejected by Windows Live

Jun 15, 2010 . Hello Experts, This problem gives me a headache. Running SBS2003 r2 with

Jun 19, 2005 . SBS >> email problem #5.5.0 smtp;550-5.7.1 Hi some users are getting this

Jul 24, 2010 . mail.scoutcap.com #5.5.0 smtp;550-5.7.1 [12.196.7.13 3] Our system has

Mar 18, 2011 . 5.5.0 smtp;550-5.7.1 Our system has detected an unusual rate of unsolicited.

Dec 15, 2008 . I have recently completed configuration of SBS 2003 Exchange. MX & A Records

If I send a mail to a particular domain, I recieve mail the following error:

May 22, 2010 . Hi Group, Yet another problem, old exchange server crashed, new exchange

Jan 27, 2010 . Hello, we are getting some non-deliverable emails and I am looking for some

#5.5.0 smtp;550 We do not accept mail from dynamic IPs. Debouncer tests if your

Nov 11, 2005 . <servername.abc.co.uk #5.5.0 smtp;550-Verification failed for <user@abc.co.uk>

Jan 6, 2010 . Hi all. I'm probably missing something completley obvious but this is giving me a

I can email to everyone else in the world except one company. Everytime I try to

Jun 16, 2010 . This problem gives me a headache. Running SBS2003 r2 with exchange sp2.

Feb 3, 2011 . NDR codes such as 5.5.0, or 4.3.1, may remind you of SMTP errors 550 and 431.

Jan 6, 2010 . In Mimecast, go to User Directory> Profile Groups> Relay .

Jan 21, 2010 . <CA-SERVER.new.local #5.5.0 smtp;550 #5.1.0 Address rejected user@

Sep 18, 2007 . <jomc.co.uk #5.5.0 smtp;550 must be authenticated> I have narrowed it down

Aug 10, 2007 . Hello Experts, This problem gives me a headache. Running SBS2003 r2 with

Jun 9, 2011 . can not send emails to gmail emails are invoices tracking# and support emails to

Dec 15, 2009 . By: Dale6670, Forum: Email Servers, Hi all. I'm probably missing something

There was a SMTP communication problem with the recipient's email server.

Dec 24, 2008 . #5.5.0 smtp;550-Verification failed. Tuesday, September 30, 2008 6:54 AM. Sign

May 23, 2008 . msdn.itags.org: Microsoft Exchange server question: #5.5.0 smtp;550

Mar 18, 2011 . Explain your issue in full detail here: Please remove our server from your black

Nov 9, 2004 . <ascrs_2k.ascrs.local #5.5.0 smtp;550 Denied by policy.> " The server sending

If the bounced messages contain SMTP reply codes that were not generated by

Subject: 5.5.0 smtp;550-Verification failed. Posted by: Patrick Scholtes (ps45.

Please contact your system administrator. <mail.server.co.uk #5.5.0 smtp;550

Explain your issue in full detail here:mail.isxys.gr #5.5.0 smtp;550-5.7.1 [195.97.

There was a SMTP communication problem with the recipient's email server.

Oct 6, 2010 . I am a recruiter and I contact candidates whose resumes are posted. thus I do

5.5.0 smtp;550 Blocked Exchange 2000 / 2003. . There was a SMTP

Aug 6, 2006 . <mail.xxxxxx.com #5.5.0 smtp;550-Verification failed for <gilbert[at]xxxxx.com>>

Hi, I'm getting the following error when trying to send email through

May 11, 2007 . We are having an issue with our exchange 2003/sp2 application. We have one

Hello We can't send via postini to the domain utd-comms.co.uk. If I connect to the

Jun 19, 2005 . Please contact your system administrator. <sbsdomain.com.au #5.5.0 smtp;550-

Jan 21, 2010 . Hello, One of our employees is getting a delivery error when attempting to send

Sep 10, 2011 . A Simple Mail Transfer Protocol (SMTP) connector is configured to . 5.4.4, and

Apr 12, 2011 . <afnsecurity.com #5.5.0 smtp;550 "REJECTED - Bad HELO - Host impersonating

Feb 10, 2004 . I have my own domain and my own Exchange server, when in Outlook I try to

When any of our e-mail users try to send an e-mail to some specific domain (eg.

May 25, 2011 . mail.repropark.ru #5.5.0 smtp;550-5.7.1 [193.232.100.237 1] Our system has

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