RE: Enabling IPv6 in Sendmail 'woody'

["Jeroen Massar" <jeroen@unfix.org>]

Benoit Panizzon [mailto:panizzon@woody.ch] wrote:

> Found the solution myself after hours of 'googling'.
> 
> The Kernel 2.4 has a bug|feature: A ipv6 connection is 
> automaticly a ipv4 
> connection. So if sendmail tryes to open a port twice it's locked.
> If you enable only inet6 inet4 is automaticly enabled.
> 
> Solution for the mc file:
> 
> DAEMON_OPTIONS(`Port=smtp, Name=MTA, Family=inet6')
> 
> (and no line about inet)

Notez bien, if an application first requests an AF_INET (ipv4) socket
and binds to it, then requests an AF_INET6 (ipv6) socket and binds to
that on the same port, this should work.

Greets,
 Jeroen