Search found 225 matches

by zimico
Tue Feb 06, 2024 5:24 am
Forum: Administrators
Topic: How to set up a warm DR server
Replies: 0
Views: 293

How to set up a warm DR server

Dear all, We have single server (NE 10) at the DC site. We have set up a backup server at the DR site and rsync /opt/zimbra/backup from DC to DR. The full offline restoration needs a long time (several hours), and we are looking for a way to set up a warm backup (standby) server so that the Recovery...
by zimico
Fri Sep 08, 2023 4:48 am
Forum: Installation and Upgrade
Topic: Upgrading from ZImbra 8.5 to 10
Replies: 20
Views: 30402

Re: Upgrading from ZImbra 8.5 to 10

Zimbra has a certified wiki article covering how to rebuild a new server from an old one. The rsync method detailed here: https://wiki.zimbra.com/wiki/Steps_To_Rebuild_ZCS_Server#.28C.29_Rebuild_New_Server_using_Rsync_migration_steps has one moving only Zimbra's data over to the new server, so shou...
by zimico
Sat Aug 12, 2023 2:04 pm
Forum: Administrators
Topic: Multiple LDAP server, auth fails because one server is offline
Replies: 12
Views: 3497

Re: Multiple LDAP server, auth fails because one server is offline

FWIW I raised this issue with Zimbra on Tuesday's Zeta Alliance call and provided the link to this thread. They acknowledged that this should be looked at. No commitment as to timetable, priority, etc., only that this was worth some follow up. Hope that helps, Mark Hi Mark, do you have any update f...
by zimico
Tue Jul 11, 2023 8:27 am
Forum: Administrators
Topic: proxy service stops
Replies: 4
Views: 1366

Re: proxy service stops

Dear Mark,

I always find you blog spot very useful for me. I will defenitely apply the guide in updated fail2ban blogspot in our system.

Best regards,
Minh.
by zimico
Tue Jul 04, 2023 10:53 am
Forum: Administrators
Topic: proxy service stops
Replies: 4
Views: 1366

Re: proxy service stops

Hi Pajari, They are invalid users and I think we were under brute force attacks. And, YES, we already set up our system following Zimbra wiki to block un-authorized SASL auths. I just don't know why my proxy stopped working. Because of log rotation so I don't have required nginx log right now. Howev...
by zimico
Fri Jun 23, 2023 2:27 am
Forum: Administrators
Topic: proxy service stops
Replies: 4
Views: 1366

proxy service stops

Today, our proxy service stops and we have to restart it manually. In zimbra log, we can see a lot connections from some specific IPs. Jun 22 20:59:56 mail postfix/tlsproxy[4944]: DISCONNECT [193.42.32.154]:56744 Jun 22 20:59:57 mail postfix/tlsproxy[4944]: CONNECT from [193.42.32.154]:59248 Jun 22 ...
by zimico
Sat Jul 02, 2022 3:04 pm
Forum: Installation and Upgrade
Topic: Unbound DNS Cache Fails After Patch 32 on Ubuntu 20
Replies: 2
Views: 2238

Re: Unbound DNS Cache Fails After Patch 32 on Ubuntu 20

Thank Mark for your info. I always use named or dnsmasq for our production servers because I had some problems with Zimbra unbound and feel that it is not stable.
Regards,
Minh.
by zimico
Tue May 31, 2022 9:29 am
Forum: Administrators
Topic: Zmmboxmove
Replies: 7
Views: 4098

Re: Zmmboxmove

As I known, only NE supports Zmmboxmove.
Regards,
Minh.
by zimico
Fri May 27, 2022 5:38 am
Forum: Administrators
Topic: Zmmboxmove
Replies: 7
Views: 4098

Re: Zmmboxmove

hi, I like to know if https://wiki.zimbra.com/wiki/Zmmboxmove it's a supported command on Zimbra OSE 8.8.15 and what -s parameter is needed or what action takes? If command is supported what is the correct way to use to move with a clear methos to ensure mailboxes are moved to a second server on a ...
by zimico
Wed May 04, 2022 9:29 am
Forum: Administrators
Topic: New zimbra can send but not receive
Replies: 13
Views: 3650

Re: New zimbra can send but not receive

SPF record mainly for sending and MX record is for receiving mail. As I understand, you deployed 2 servers with the same domain? Can you show all your DNS records?

Regards,
Minh.