this problem has been doing my head in and I hope to find some ideas here at WW.
up until recently I was using my built in smtp engine on my webserver to send my newsletter quite happily until more and more servers reject my emails as it might be spam. the whole dynamic IP address issue.
So when I try using my isp's host as smart host, al I get is some smtp error message about AUTH not being recognised.
I've been on the hunt for sopmething that can replace the IIS smtp engine and use ESMTP and give me a bit more control over the verbs used. but with no success.
I tried Mercury/32 and nothing gets sent, tried Xmail and nothing gets sent and after hours of searching I can't find a viable free solution to this problem.
Mercury should work ok in theory and I can send an email using the console but when executing my script nothing gets sent, nothing gets put int he qeue and nothing ever happens on the mercutry console.
would be great if anybody has had issues with using mercury while IIS was running OR has a bulletproof solution and is willing to share that info with me.