On Tue, 2007-11-06 at 23:59 -0800, John R Pierce wrote: > Christopher Chan wrote: > > > >> configure your sendmail to use your ISP's mail server as a 'smarthost'. > >> > > > > How is that going to help the dest mta verify his address? > > it won't have to. his ISP will accept mail from its own customer's > IP address, same as if they were end user mail clients, and it will > relay for him. the destination MTA will presumably accept mail from > his ISP's mail server, unless they are a known spammer. Thanks, I'll try to configure sendmail to use Comcast's SMTP server as a smarthost. -Pete