* Phil Pennock:
> This is for folks running Exim on platforms which are no longer
> predominant.
>
> Is anyone actively using Exim on a platform without a POSIX writev()
> interface? If so, are you also using SpamAssassin?
Is this on a socket? Then you can use sendmsg, which goes back to
4.2BSD, released in, uhm, 1983.
writev goes back to 4.4BSD at least, and Stevens mentions that Solaris
2.5 supports it, so I assume you're on the safe side with writev as
well.