I need to ask, which part i need to check in admin zimbra. Below is the issue:
1. I can receive all the email from any mail server (etc: gmail, yahoo) to my zimbra mail server
2. But I cannot send out email from my zimbra mail server to others email..
3. If i send between user in the same mail server.i can send out. for example i create my mail server name test.com
then i create 2 user. firstname.lastname@example.org & email@example.com
I send email from firstname.lastname@example.org to email@example.com it success.
What should i check?