postfix TLS Support

### TLS settings
###
## TLS for outgoing mails from the server to another server
smtp_tls_security_level = may
smtp_tls_note_starttls_offer = yes
## TLS for email client
smtpd_use_tls = yes
smtpd_tls_security_level = encrypt
smtpd_tls_cert_file = /etc/ssl.crt/www_domain_de.crt
smtpd_tls_key_file = /etc/ssl.key/www_domain_de.key
smtpd_tls_CAfile = /etc/ssl.crt/www_domain_de.cabundle
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
debugger_command =
    PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
    ddd $daemon_directory/$process_name $process_id & sleep 5