Mail Tester
If you test any system sending mail, mail-tester is an essential tool.
Tagged "CRM"
Constituent/Client/Customer Relationship Management software. I did more of this in a previous job, so don't expect much new here but there are some legacy notes.
CiviCRM: Personal Campaign Pages
CiviCRM's personal campaign pages are useful but limited.
SMTP Through a Google Account
CiviCRM: Overview
CiviCRM is a good tool for a non-profit CRM. Here's my summary of the good and the bad.