>>	So I'll try to roll two sendmail.cf, and switch them in rc.d/sendmail
>>	based on IPv6 availability.
>that fixes the immediate problem. thanks.
>
>but surely we could fix sendmail to create an PF_INET6 socket, and
>if it gets EOPNOTSUPP,  IPv6 config entries (with a warning)?

	The only way we can do this is to add a directive to make an optional
	DaemonPortOptions line, just like "Fw -o" to "Fw".  I'll try to look
	into that too.

itojun