Hi,

to block IPs or ranges, please have a look at https://wiki.zimbra.com/wiki/Zimbra_Col ... Postscreen

Works like a charm.

Hi There, did the exact same upgrade without any problem except that when I reached the zimbra-core package update I hit the following: Setting up zimbra-core (8.7.6.GA.1776.UBUNTU16.64) ... initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused in...

Hi, so just for the records to document what I did: creation of the cidr file to reject ip ranges: nano /opt/zimbra/conf/postfix_blacklist_cidr the content if formatted the following way: A.B.C.D/xx REJECT postmap the file: postmap /opt/zimbra/conf/postfix_blacklist_cid edit the smtpd_recipient_rest...

Hi Fabio,



Thanks this is indeed available so I used CIDR for my list of ip ranges to reject.



Kind regards,



Manuel

Hello, Based on the following information in the wiki  regarding New Features in ZCS_8.5 and especially the section about the ability to blacklist specific IP addresses, i would like to do this but based on ip ranges in CIDR format. I read that for instance this works in postfix using the follo...