server address

I‘ve configured RBL for my postfix based mail server and I’m getting an error that read as follows:

May 3 04:35:37 mx02 postfix/smtpd[10956]: NOQUEUE: reject: RCPT from ant251.neoplus.adsl.tpnet.pl[83.26.101.251]: 554 5.7.1 Service unavailable; Client host [83.26.101.251] blocked using xen.spamhaus.org; SPAMHAUS BLOCKLIST ADDRESS IS WRONG MUST FIX; from= to= proto=ESMTP helo=

How do I fix this problem?

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How to Set Up DNS Lookup in Linux

by Vivek Gite on February 5, 2008 · 1 comment

Q. How do I setup DNS Lookup under any Linux distribution ?

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How do I find out my DHCP server address?

by Vivek Gite on December 8, 2007 · 11 comments

Q. In Windows XP / 2000 / Vista ipconfig /all command will show me DNS server and DHCP server ip address. But, how to know DHCP server address in Linux? A. The DHCP protocol allows a host to contact a central server which maintains a list of IP addresses which may be assigned on one [...]

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