It's no surprise that the majority of the biggest email days come in the weeks before Christmas -- including the top four, and seven of the top eight. However, the biggest email day of the year was actually the day after Christmas; more than 53% of the retailers tracked via RetailEmail.Blogspot sent email on Dec. 25, 2006. In addition to capturing added sales from returns, this tactic is undoubtedly used to capture gift card and e-gift card sales as quickly as possible.

Three guesses what the new favorite email subject line now includes. It's not just Apple who's been promoting the iPhone -- many other companies are jumping on the bandwagon by mentioning the device in emails, even if it's not exactly relevant to the rest of the message.

An expert weighs in with updates on blacklist compilers and services.

There is an interesting article in the current issue of Harvard Business Review entitled "The Next 20 Years: How Customers and Workforce Attitudes Will Evolve." This article speaks to the many emerging trends within the generations. I put the "email" filter on to see how each one consumes email, how its members are consumers of digital mediums in general and how they will impact our channel.

I thought we could have some fun this week by taking a look at the practice of Scambaiting. Scambaiters are a group of individuals who take pride in messing with the heads of the so-called Nigerian Email Scammers. You know the guys: the rich princes who will send you millions for helping them get money out of the country. While it is certainly a dangerous game to play (rule one of Scambaiters is that you don't give out your real name, country of origin, or personal information, for your own protection -- these are criminals, after all) the best do …

Which day of the week you send your emails can have a major impact on your open and click-through rates. And the choice of that day is influenced by how many emails you send in a particular week and what your competitors are doing with their campaigns.

Dear Email Diva: I have received emails from a specific sender on behalf of several different companies. I have no prior relationship with the companies and am given a negative option to opt out (if I don't opt out, they will presume I want to hear from them again). We've counseled our clients against this practice, and wonder about the occasional emails we receive that seem to flout it.

How many times have you distributed email creative options internally to five or 10 people for feedback and received five or 10 drastically different opinions -- some warm, some frigid? How often have the proposed edits and revisions seemed more like hunches than informed critical analysis? And how should you respond when a colleague forwards you an email requesting your opinion?