Delivery Status Notifications (DSN) are messages generated by a mail server to notify the sender that the email has been delivered to the destination mail server. Problem is, many systems sending email messages are doing DSN requests, but are automated … Continue reading →
I found an error in the /opt/zimbra/log/mailbox.log on my zimbra server 2019-11-25 14:12:11,593 ERROR [ScheduledTask-2] [name=galsync@domain.com;mid=116;ds=external;] gal – Error executing gal search com.zimbra.cs.ldap.LdapException: LDAP error: – unable to get connection: ldap host=: An error occurred while attempting to connect to … Continue reading →
I wanted to create a distribution list named testlist@mydomain.net Create the list zmprov cdl testlist@mydomain.net Set the reply-to as feedback@mydomain.net, the reply-to display name as Feedback. Force approval for subscriptions and unsubscriptions and hide the list in the GAL zmprov … Continue reading →
zmprov mcf -zimbraReverseProxySSLProtocols TLSv1 zmprov mcf -zimbraReverseProxySSLProtocols TLSv1.1 zmprov modifyConfig zimbraReverseProxySSLCiphers ‘!AES128-SHA256:!AES128-SHA:!CAMELLIA256-SHA:!CAMELLIA128-SHA!AES256-SHA:!AES256-SHA256:!AES256-GCM-SHA384:!AES128-GCM-SHA256:!ADH:!eNULL:!aNULL:!DHE-RSA-AES256-SHA:!SSLv2:!MD5:!EXPORT:!DES:!PSK:!RC4:HIGH’ zmproxyctl restart Now when you run a test at Qualys SSL Labs you should be able to have your Protocol Support score at 100% as part of your … Continue reading →
Create an account w/ password of test1234 for email address user@abc.com with the name First Z Last and make them change their password the first time they log on zmprov createAccount user@abc.com ‘test1234’ zimbraPasswordMustChange TRUE displayName ‘First Z. Last’ \ … Continue reading →
For Zimbra 8.5 and newer Execute as the zimbra user: zmprov mcf zimbraMtaSmtpdTlsCiphers high zmprov mcf zimbraMtaSmtpdTlsProtocols ‘!SSLv2,!SSLv3’ zmprov mcf zimbraMtaSmtpdTlsMandatoryCiphers high zmprov mcf zimbraMtaSmtpdTlsExcludeCiphers ‘aNULL,MD5,DES’ Within 2 minutes, zmconfigd will update postfix for you, and the system will be … Continue reading →
The ‘Server status’ tab in the admin console shows an extra entry for “localhost”, or a server that you removed from the system some time ago (using the zmprov deleteServer command) with all services crossed out. Resolution: First get the output … Continue reading →
Purpose With Dumpster the users (and more importantly, admins) can recover deleted files (Emails, Contacts, Calendar or apointments, Tasks, Files, etc.) from a period of time. This feature is really useful to recover specific files deleted by mistake, and makes … Continue reading →
zmprov -l gaa -s `zmhostname`
Continue reading →I was having problems with receiving emails from multiple ip addresses – but all of them being addressed from the same set of email addresses. In Zimbra this can be addressed using zimbraMtaSmtpdSenderRestrictions and setting up a file with a … Continue reading →