As a brief note to self, when you want to use the Drupal SMTP module with a Gmail SMTP server, such as for a Drupal contact form, the process goes something like this:
For those looking for a Drupal CAPTCHA product or service, I still remain very happy with the Mollom CAPTCHA service. Like Drupal, Mollom was also created by Dries Buytaert, so as you can imagine, it integrates very well with Drupal.
Here are some more details on my Mollom Drupal CAPTCHA experiences to date.
Summary: This is a review of the Mollom CAPTCHA service, based on our experiences using Mollom with Drupal here on the devdaily.com website.
When I switched this website over to Drupal about three weeks ago, I knew I also needed to find a good Drupal CAPTCHA tool to deal with both comment spam (also known as "comment form spam") and contact spam (contact form spam). After digging around a little bit, Mollom seemed like it might be a good tool, especially since both Drupal and Mollom were both created by the same author, Dries Buytaert.