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Emails keep on bouncing back from my domino SMTP server

NSCexpert asked
Last Modified: 2013-12-18
My domino mail server is bouncing back a lot of emails that I am sending:

my smtp settings are as follows:

Number of mailboxes:      
SMTP used when sending messages outside of the local internet domain:      Enabled
SMTP allowed within the local internet domain:      Disabled
Servers within the local Notes domain are reachable via SMTP over TCPIP:      Always
Address lookup:      Fullname then Local Part
Exhaustive lookup:      Disabled
Relay host for messages leaving the local internet domain:      
Local Internet domain smart host:      mailhost.zen.co.uk
Smart host is used for all local internet domain recipients:      Disabled
Host name lookup:      Dynamic then local

some of the message I am getting are as follows:

Error transferring to dkcphmx46.softcom.dk; SMTP Protocol Returned a Permanent Error 550 Blocked - see http://www.spamcop.net/bl.shtml?

Error transferring to relay-1.mailbox.net.uk; SMTP Protocol Returned a Permanent Error 550 ( "Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=")

25/01/2007 13:00:42   Router: No messages transferred to ACTIONHANDLING.CO.UK (host mail1.voloper.net) via SMTP: SMTP Protocol Returned a Permanent Error

25/01/2007 13:04:20   Router: No messages transferred to BTCONNECT.COM (host ibmr.BTCONNECT.COM) via SMTP: SMTP Protocol Returned a Permanent Error

25/01/2007 13:09:28   Router: No messages transferred to [$Retry cluster2a.eu.messagelabs.COM] (host cluster2.eu.messagelabs.COM) via SMTP: SMTP Protocol Returned a Transient Error

25/01/2007 15:32:20   Router: Error transferring message 00555119 via SMTP to relay-1.mailbox.net.uk;relay-2.mailbox.net.uk;relay-3.mailbox.net.uk  550 ( "Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=")

Any ideas anyone ?
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