====== Email-Server ======

howto setup, test, spamcheck, ...


=== Testing connections to mailserver: ===

**port 25:**

   telnet example.com 25
   Trying 88.88.42.23...
   Connected to example.com.
   Escape character is '^]'.
   220 example.com ESMTP
   ehlo testing
   ...
   
you should receive some STARTTLS auth lines.

----

**check cert:**
   openssl s_client -starttls smtp -crlf -connect synoptx.net:25
   

----

**links:** 
   
http://www.mad-hacking.net/documentation/linux/applications/mail/using-ssl-tls-postfix-courier.xml


http://qmail.jms1.net/test-auth.shtml

http://www.cyberciti.biz/tips/ssl-certificate-installation-courier-imap-server.html

http://www.astaro.org/astaro-gateway-products/mail-security-smtp-pop3-antispam-antivirus/30867-7-504-testing-port-465-smtp-ssl-solved.html



=== Test sending mail: ===

  mail -s "Hello world" info@example.com

then enter body
+ 2x Ctrl+D


  echo "This will go into the body of the mail." | mail -s "Hello world" info@example.com