SYSTEM WARNING: 'date_default_timezone_get(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.' in '/usr/share/mantis/www/core.php' line 264

0004500: DNSBL provider will be shutdown completely bij november 30th - MantisBT
MantisBT - Endian Firewall
View Issue Details
0004500Endian FirewallProxy - STMPpublic2012-11-15 13:462012-11-15 16:13
0004500: DNSBL provider will be shutdown completely bij november 30th will be shutdown completely by the end of the month. [^]

Currently a lot of mail is already blocked due to the RBL being unable to resolve the a records for the sending mailserver.

No workaround, to fix the RBL must be disabled and with a future update removed from the GUI altogether.
Nov 15 14:12:11 postfix/smtpd[13660]: NOQUEUE: reject: RCPT from[]: 450 4.1.1 : Recipient address rejected: undeliverable address: host[] said: 550 5.1.1 User unknown (in reply to RCPT TO command); from= to= proto=ESMTP helo=

Nov 15 14:12:11 postfix/smtpd[14347]: connect from[]

Nov 15 14:12:11 postfix/smtpd[14347]: warning: RBL lookup error: Host or domain name not found. Name service error for type=A: Host not found, try again
No tags attached.
Issue History
2012-11-15 13:46baldyNew Issue
2012-11-15 16:13stefano-endianNote Added: 0008309

2012-11-15 16:13   
Hi baldy,

Yep, is going to be shut down. There is however a workaround, as announced on the same page you linked, [^] :

UPDATE: The folks at have a copy of the database and will be taking the project forward from here. Feel free to visit them and learn how to start using their copies of the data as they take the project into the second phase of its existence.

On there are instructions to modify the zones.