Hello. I have a similar problem on Ubuntu 16.04, after update a week ago backup stopped working. In the cron log i got this "php warning: chmod...
in Ispconfig 3.1: System > Server config > mail > Real-time Blackhole List was "zen.spamhaus.org" but I added "dnsrbl.org"
I verified if these gmail servers are blacklisted, this is confirmed true
Thx for reply. I was add "dnsrbl.org" to Real-time Blackhole List addres "dnsrbl.org" dnsrbl.org reports many google servers that are spam...
Hi Is it possible to add addres range eg gmail servers ip range to postfix whitelist ? how to add them because they are still on black lists....
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