TLS for SMTP
How to Enable TLS for SMTP Server in Zimbra
How to Enable TLS for SMTP Server in Zimbra
28
NOV
First, become user zimbra:
# su zimbra
Set postfix’s smtpd_tls_security_level to may by:
zmprov ms mail.server.com zimbraMtaSmtpTlsSecurityLevel may
or
zmprov modifyServer mail.server.com zimbraMtaSmtpTlsSecurityLevel may
After done, restart MTA server by:
# zmmtactl restart
Generate CSR SSL Certificate Zimbra Mail Server : SSL Certificate Multi Domain :
/opt/zimbra/bin/zmcertmgr createcsr comm -new -subject "/C=BD/ST=BD/L=Dhaka/O=PT Worldcm Network Ltd/OU=WORLDCM/CN=mail.worldcm.net" -subjectAltNames mail.worldcm.net,mail.abc.net,mail.xyz.net,www.worldm.net
#cat /opt/zimbra/ssl/zimbra/commercial/commercial.csr