[CentOS] Centos 5x ipv6 sendmail smtps

Tony Wicks tony at prophecy.net.nz
Wed Oct 15 01:52:05 UTC 2008

Hi all, I'm working my way through v6ing our network. I have a mail
server with the default dovecot/sendmail configuration working happily
for pop3, pop3s, imap, imaps, smtp, and smtps on v4. I have managed to
get all but smtps working on v6.  Following is the relevant sendmail.mc


DAEMON_OPTIONS(`Name=MTA-v4, Family=inet, Name=MTA-v6, Family=inet6')

DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnl


I've googled to no avail as yet, anyone know what the relevant config
would be ?





[root at new-mail mail]# telnet 2:removed::191 smtp 

Trying 2:removed::191...

Connected to 2:removed::191 (2:removed::191).

Escape character is '^]'.

220 new-removed.net ESMTP Sendmail 8.13.8/8.13.8; Wed, 15 Oct 2008
14:45:52 +1300


221 2.0.0 new-mail.safenz.net closing connection

Connection closed by foreign host.


 [root at new-mail mail]# telnet 2:removed::191 smtps

Trying 2:removed::191...

telnet: connect to address 2:removed::191: Connection refused

telnet: Unable to connect to remote host: Connection refused


[root at new-mail mail]# telnet smtps


Connected to new-removed.net (

Escape character is '^]'.



Connection closed by foreign host.

[root at new-mail mail]#


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