Search found 5 matches

by rishi
Thu Sep 06, 2018 2:29 am
Forum: Administrators
Topic: SSL certificates: domain name mismatch with common name
Replies: 2
Views: 1251

SSL certificates: domain name mismatch with common name

I have a mail domain with Comodo certificates. I created a new mail domain from there and deployed lets encrypt certificates(it is valid and succeed). But at web Interface, the new domain shows the certifcates of comodo (of initial mail domain), and the browser says insecure due to common name misma...
by rishi
Wed Sep 05, 2018 5:39 am
Forum: Administrators
Topic: Lets encrypt certificates installed and valid, but not loaded in browser
Replies: 0
Views: 650

Lets encrypt certificates installed and valid, but not loaded in browser

I have a mail server with numbers of subdomains. I installed certificates generated by Lets Encrypt in my one of the subdomain mail servers. The certificates are installed successfully and are valid. But the installed certificates is not shown in browser. Rather it loads the certificates of my paren...
by rishi
Mon Sep 03, 2018 6:51 am
Forum: Administrators
Topic: unknown non authenticate mail sender
Replies: 3
Views: 1509

Re: unknown non authenticate mail sender

I am also facing similar problem. can anyone help please.
zimbra version 8.0.7 FOSS edition
by rishi
Wed Aug 29, 2018 7:36 am
Forum: Administrators
Topic: How to set authentication limit
Replies: 0
Views: 975

How to set authentication limit

I am having problem with unusual users trying to send mail from my domain. Is there any way to limit the rate of authentication to avoid such attacks. main.cf : smtpd_helo_required = yes in_flow_delay = 1s transport_maps = proxy:ldap:/opt/zimbra/conf/ldap-transport.cf smtpd_sasl_security_options = n...
by rishi
Tue Aug 28, 2018 11:10 am
Forum: Administrators
Topic: adding Captcha to user login
Replies: 1
Views: 1440

adding Captcha to user login

Can someone help me on how to add captcha to user login authentication. I hope it can block the bot attacks.