Search found 16 matches
- Thu Sep 07, 2017 3:55 pm
- Forum: Administrators
- Topic: [SOLVED] Self-signed certificates not trusted
- Replies: 3
- Views: 2837
Re: Self-signed certificates not trusted
Thanks phoenix!
- Thu Sep 07, 2017 3:04 pm
- Forum: Administrators
- Topic: [SOLVED] Self-signed certificates not trusted
- Replies: 3
- Views: 2837
[SOLVED] Self-signed certificates not trusted
Hello, on my devices I started to get an error related to self signed certificates that could not be trusted by email clients, so it's impossible to send email. I tried to regenerate the certificate following the kb article 21727 but I still can't send email both from computer and mobile devices. Is...
- Mon Jan 23, 2017 9:41 am
- Forum: CalDAV / CardDAV / iSync
- Topic: Problems with CalDav x Mac OS Sierra 10.12 - Zimbra 8.6.0
- Replies: 4
- Views: 7242
Re: Problems with CalDav x Mac OS Sierra 10.12 - Zimbra 8.6.0
Hi everyone, glad to see that is a common problem. After I upgraded from 8.6.0 to 8.7.1 CalDav with Mac OS is unusable: some events are showed and others are disappeared. Tried to remove shares and recreate but this doesn't fix the issue. Please, anyone can help to find a solution to this frustratin...
- Tue Aug 04, 2015 5:30 am
- Forum: Administrators
- Topic: Block fake senders
- Replies: 1
- Views: 1505
Block fake senders
Hello everybody! Since a couple of days I noticed in the mail queue a lot of sent spam messages. At first look it seems that messages are sended from one of my email address (user@mydomain.net), but looking at the log I can see that the sender ip doesn't merge with the sender. Log: #################...
- Mon Dec 22, 2014 5:28 am
- Forum: General Questions
- Topic: Relay access denied via webmail
- Replies: 2
- Views: 1126
Relay access denied via webmail
Hi Jorge! Thanks for your reply. No, it's an existing installation, and I have faced with this issue since the beginning. I've confingured two domains. Following the previous mentioned Wiki article did not fix the issue. So I try to add to mynetworks the public IP of the server (currently binded by ...
- Fri Dec 19, 2014 9:42 am
- Forum: General Questions
- Topic: Relay access denied via webmail
- Replies: 2
- Views: 1126
Relay access denied via webmail
Hello everybody! I'm running Zimbra COS 8.5.1 on Ubuntu Server 12.0.4 and I'm facing with a strange issue only when I use webmail to send messages. I checked the zimbra.log and i found this: ################ Dec 19 14:38:37 mail postfix/smtpd[30850]: connect from unknown[xxx.xx.xx.xxx] Dec 19 14:38:...
- Fri Aug 08, 2014 5:32 am
- Forum: Administrators
- Topic: Zimbra SNMP
- Replies: 1
- Views: 1691
Zimbra SNMP
Hello everyone! I would like to monitor my Zimbra 8.0.7 server through OpManager server but I can't establish SNMP connection. Credentials are correct, and SNMP service on Zimbra server is running. If I run command "zmlocalconfig | grep snmp" I get: ########## snmp_notify = yes snmp_trap_h...
- Thu Jun 05, 2014 8:21 am
- Forum: Administrators
- Topic: Relay outgoing messages to external SMTP
- Replies: 9
- Views: 4398
Relay outgoing messages to external SMTP
Hi Jorge, I followed your instructions, I configured my SpamTitan server and everything is working fine!
Just for information, if I would like to revert to original configuration, which command I need to do on my zimbra?
Kind regards!
Simone
Just for information, if I would like to revert to original configuration, which command I need to do on my zimbra?
Kind regards!
Simone
- Tue May 27, 2014 11:12 am
- Forum: Administrators
- Topic: Relay outgoing messages to external SMTP
- Replies: 9
- Views: 4398
Relay outgoing messages to external SMTP
[quote user="jorgedelacruz.es"]Hi Symo, Phonenix has right, check all internal first. Also you can do this simply steps for try to mitigate the spam on your System: Zimbra: Seguridad (I Parte) » Blog de Jorge de la Cruz With this simple step, you will be secure against extenrla people t...
- Tue May 27, 2014 11:08 am
- Forum: Administrators
- Topic: Relay outgoing messages to external SMTP
- Replies: 9
- Views: 4398
Relay outgoing messages to external SMTP
[quote user="10330phoenix"]The problem you need to address is why there is spam going out from your server, that's your major problem and relaying is not the answer. Have you checked for any compromised accounts on your server? Have you checked the log files and the server daily email to t...