Search found 3 matches

by valery
Mon Nov 25, 2019 1:31 pm
Forum: Administrators
Topic: Spam comes from local mailboxes, but from external ip addresses.
Replies: 4
Views: 2375

Re: Spam comes from local mailboxes, but from external ip addresses.

Hi, zimico and Alexander (xmana) ! Thank you for your answers ! I've got the same spam message like xmana had ("a letter arrives from outside with the local address of the sender"). But in my case Email address of Return-Path and From fields was the same address. A Hacker knows about it. I...
by valery
Fri Nov 22, 2019 5:11 pm
Forum: Administrators
Topic: Spam comes from local mailboxes, but from external ip addresses.
Replies: 4
Views: 2375

Re: Spam comes from local mailboxes, but from external ip addresses.

Hi, xmana I have the same issue. Zimbra Collaboration 8.8.15 Patch-3. Centos6.9 I've done this on my firewall (it's another Centos 7 system) as a temporary decision: firewall-cmd --zone=public --add-rich-rule='rule family="ipv4" source address="AA.BB.CC.DD" drop' firewall-cmd --p...
by valery
Sat Apr 13, 2019 7:13 am
Forum: Installation and Upgrade
Topic: After successful upgrade from 8.8.11 to 8.8.12
Replies: 0
Views: 1127

After successful upgrade from 8.8.11 to 8.8.12

Hi,
Centos 6.9.
Just to inform: I've found that "postfix/postqueue[26990]: fatal: Queue report unavailable - mail system is down" after successful upgrade from 8.8.11 to 8.8.12.
I did zmcontrol stop/start and it worked well.

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