This is not a zimbra problem. Sounds like you're blocking dns requests based on the limited logs you provided.
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Search found 306 matches
- Fri Mar 02, 2018 6:28 pm
- Forum: Administrators
- Topic: Zimbra and iptables problem
- Replies: 5
- Views: 2955
- Thu Mar 01, 2018 3:56 am
- Forum: Administrators
- Topic: zimbra 8.8.6 - some one sending mails using my smtp server
- Replies: 2
- Views: 1461
Re: zimbra 8.8.6 - some one sending mails using my smtp server
Hi Team, I am using zimbra 8.8.6 GA_1906 version and it is working fine upto yestarday but now we are seeing some one using my smtp server and sending bulk mails to yahoo domain. Please advise how to stop others using my smtp server. i followed below wiki link to stop the unknowbn sender but still ...
- Tue Feb 27, 2018 12:19 pm
- Forum: Administrators
- Topic: Invalid login attempts lockout user access
- Replies: 1
- Views: 1608
Re: Invalid login attempts lockout user access
I'd suggest you start banning ips that are doing it. You could use something like fail2ban. There's various posts in the forum that discuss this.
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Sent from my SM-G950U using Tapatalk
- Tue Feb 27, 2018 4:45 am
- Forum: Administrators
- Topic: live_syncd zmhsm connection refused
- Replies: 3
- Views: 2518
Re: live_syncd zmhsm connection refused
Ldap is backed up via rsync and ssh. Is ssh running on port 22? What's in mailbox.log?
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Sent from my SM-G950U using Tapatalk
- Sat Feb 24, 2018 12:51 am
- Forum: Announcements
- Topic: Zimbra Collaboration 8.8.6 Hotfix now available
- Replies: 3
- Views: 28366
Re: Zimbra Collaboration 8.8.6 Hotfix now available
That's a known issue if the way we patch. It's not a problem with the software and when you later upgrade to 8.8.7 or later it'll go back to showing foss.
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Sent from my SM-G950U using Tapatalk
- Thu Feb 22, 2018 12:22 pm
- Forum: Installation and Upgrade
- Topic: Can I updates mailbox servers at the same time, not one after the other?
- Replies: 4
- Views: 2291
Re: RE: Re: Can I updates mailbox servers at the same time, not one after the other?
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0/Upgrade says Multi-Server Environment Upgrade Steps Upgrade the servers in the following order. Update each server one at a time , following the instructions under "process" below. Is it really necessary? No one installed mailbox servers ...
- Tue Feb 20, 2018 10:47 pm
- Forum: Administrators
- Topic: Problems POP3S after upgrade to 8.8.6 ... proxy?
- Replies: 5
- Views: 2234
Re: Problems POP3S after upgrade to 8.8.6 ... proxy?
Sounds like they typed something wrong for the pop3 credentials. %20 is the @ symbol. It could be the client they're using is doing during dumb but it seems like clients should know how to handle that properly. Wow, you brought my attention possibly to the culpit of the problem. %20 is not @ symbol...
- Tue Feb 20, 2018 8:26 pm
- Forum: Administrators
- Topic: Problems POP3S after upgrade to 8.8.6 ... proxy?
- Replies: 5
- Views: 2234
Re: Problems POP3S after upgrade to 8.8.6 ... proxy?
Sounds like they typed something wrong for the pop3 credentials. %20 is the @ symbol. It could be the client they're using is doing during dumb but it seems like clients should know how to handle that properly.
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Sent from my SM-G950U using Tapatalk
- Tue Feb 20, 2018 12:36 pm
- Forum: Administrators
- Topic: Problems POP3S after upgrade to 8.8.6 ... proxy?
- Replies: 5
- Views: 2234
Re: Problems POP3S after upgrade to 8.8.6 ... proxy?
Nginx logs don't seem wrong from what you shared. What's in the mailbox.log?
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Sent from my SM-G950U using Tapatalk
- Tue Feb 20, 2018 5:54 am
- Forum: Administrators
- Topic: How to remove Lets encrypt SSL
- Replies: 6
- Views: 3930
Re: RE: Re: How to remove Lets encrypt SSL
Using Letsencrypt or Comod certificate does not change anything on how to install a certificate into Zimbra. So I can install Comodo certificate on Zimbra without removing letsencrypt certificate ? Installing a certificate replaces whatever certificate is currently installed. Sent from my SM-G950U ...