It's throwing a "Socket Error: 10060, Error Number: 0x800CCC0E" error on send attempts. So far my googling and binging reveals that a lot of other people seem to have the problem, but none of the listed solutions help. Note that this was a clean build just days ago, next to no software loaded yet. Looking for more suggestions, here's what I've done so far:
- Updated to Vista SP2 (only change is that now the Nvidia graphics driver crashes if the machine is left unattended for a few minutes (even with screensaver/power management off) :-/ Weird and completely unhelpful side effect).
- Removed Norton (not my choice to install, when I installed the ASUS mobo drivers, it came along with). Interfering AV apps seemed to be the most common issue that I found online so far, but removal didn't help me (simple removal of Norton worked for others).
- Tried turning off the windows firewall, no change.
- Found one post where typing the SMTP server name in all caps solved his problem (makes absolutely no sense to me whatsoever). No change (as expected).
Trying to Telnet out to the SMTP service was used to confirm that it's not just Windows Mail. Seem to be completely incapable of sourcing traffic with the SMTP destination port. The same configuration works fine on the same ISP on a Windows XP box. Unfortunately, the e-mail provider doesn't support the MSA port (it's SMTP-AUTH, but on only the standard SMTP port).