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
 
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linux/emailserver.txt · Last modified: 2015/01/19 13:50 by tkilla