Search found 38 matches

by stefaniu.criste
Wed Nov 15, 2017 1:08 pm
Forum: Zimbra Connector for Outlook
Topic: Cannot install Connector because of ready-to-use Office
Replies: 2
Views: 2652

Re: Cannot install Connector because of ready-to-use Office

Same issue here, cannot install on Office 2016 Home and Business.

Later edit:
Error message is "Cannot install Zimbra Connecor on click-to-run edition"
by stefaniu.criste
Thu Oct 12, 2017 12:13 pm
Forum: Administrators
Topic: Which DNSBL lists are you using?
Replies: 7
Views: 3587

Re: Which DNSBL lists are you using?

Besides the above mentioned solutions, we are also using the Romanian service abuse.ro, for the in-country spam.
by stefaniu.criste
Tue Sep 26, 2017 4:12 pm
Forum: Administrators
Topic: Help - I m having an IMAP attack that fail2ban cant stop
Replies: 5
Views: 4516

Re: Help - I m having an IMAP attack that fail2ban cant stop

Hello I am using csf (https://www.configserver.com/) working OK on some other non-zimbra servers but running same postfix == Uninstall fail2ban == Install csf == Edit the config file at /etc/csf/csf.conf and set the basic access rules (documentation is pretty straightforward == continue editing and ...
by stefaniu.criste
Mon Sep 25, 2017 11:56 am
Forum: Administrators
Topic: Help - I m having an IMAP attack that fail2ban cant stop
Replies: 5
Views: 4516

Re: Help - I m having an IMAP attack that fail2ban cant stop

Hello

can you post some log excerpts from /var/log/zimbra.log and /var/log/maillog ?
Delete all sensitive data (like email addresses) and leave just the errors.
by stefaniu.criste
Wed Aug 30, 2017 9:08 am
Forum: General Zimbra Feedback
Topic: Suggestion: manage external users for shared resources
Replies: 2
Views: 4234

Suggestion: manage external users for shared resources

Hello all, here is a scenario Stage 1 - work - consider the Zimbra NE running for my domain hangar.hosting - I am creating a new folder in the briefcase, sharing it with external user "john.doe@onemail.tld" - user gets the standard sharing message, defines the password and can access the s...
by stefaniu.criste
Mon Aug 21, 2017 7:14 am
Forum: Users
Topic: Auto Bcc Inbound and outbound emails on ZCS 8.7
Replies: 2
Views: 4557

Re: Auto Bcc Inbound and outbound emails on ZCS 8.7

Question: does this method catch out-of-office replies ? Sidenote: You have a small typo in the blog post Switch to root user [ root@email ~ ]# sudo su [ zimbra@email ]$ nano /opt/zimbra/common/conf/main.cf You are sudo-ing as "root" and the next command is performed as "zimbra" ...
by stefaniu.criste
Mon Aug 21, 2017 5:59 am
Forum: Administrators
Topic: postfix 450 4.7.25 + false postive
Replies: 3
Views: 3046

Re: postfix 450 4.7.25 + false postive

Do you see this behavior for a single domain, or randomly, for multiple domains ?
What DNS servers do you use as resolvers ?
by stefaniu.criste
Tue Aug 15, 2017 6:58 pm
Forum: Administrators
Topic: Outgoing Spam Flood
Replies: 3
Views: 1222

Re: Outgoing Spam Flood

Some necessary steps - lock your account - limit the outgoing emails using cbpolicyd and set a very low limit for your account - unlock your account and watch behaviour - check server for rootkits - change all server passwords - scan your computer for viruses/trojans - change your email account pass...
by stefaniu.criste
Tue Aug 15, 2017 11:29 am
Forum: Administrators
Topic: Spam problem
Replies: 3
Views: 810

Re: Spam problem

The first step I would do is to install and configure cbpolicyd in order to limit the email traffic. Set some very low limits for messages (eg. 30 messages/hour) and watch the logs for domains or mailboxes that are constantly reaching the limit. This will give you some time to analyze the cause of s...
by stefaniu.criste
Thu Jun 29, 2017 5:51 am
Forum: Installation and Upgrade
Topic: Zimbra on a reseller or shared hosting account
Replies: 14
Views: 11660

Re: Zimbra on a reseller or shared hosting account

Hello, We are not willing to use Zimbra as an application via cPanel on a shared server. We want to create multiple email accounts for multiple customer domains in order to provide different login details of each account to the respective client to access their own emails. Since as per your reply t...

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