MS Exchange 2010 - smarthost suggestions

[Ol!ver]

I've set up an Exchange server in a VM on my home server, just because I can really. The problem I am having is that sent emails are not always being delivered, presumably do to whitelisting and Sky not handling reverse DNS lookups properly, leaving receiving servers thinking I'm a spambot.

My question is thus: does anyone have any recommendations for a smart host? Prefer free, obviously, but would pay a reasonable fee should I need to.

I was going to use Google's SMTP servers, but they alter the sending email address these days apparently.

Any ideas?

 

[Ol!ver]

Your ISP?? They shouldn't reject if you authenticate to them.

They replace the sending address.

 

[Ol!ver]

I know that you've said Google mail does that but who actually provides your internet connection? They should have an SMTP server.

Also, you do have any domains? You can quite often send authenticated email from domain hosting providers.

I'm with Sky, and they do the same apparently.

The domain name is just that, a domain, with the site hosted on my own server. I assume that the registrar doesn't offer an SMTP server unless they host everything, but I'll check.