There has been an huge increase in the use of email by Politicians. This is both good and bad...it all depends on the email practices of the politician in question.
At it's best, email is a fantastic way to drive relevant communications to constituents...no matter if you are a politician or a retailer. The key is (as always) relevance coupled with permission.
The problem seems to be that a lot of politicians are utilizing the same tactics they do with the phone or with traditional direct mail: "Give me the list of all registered voters and I'll pound them" (They are politicians after all not database marketers)
I won't go into why this practice is bad, but I have been asked several times to suggest the best way for a politician to build a good email database.
In my mind there are two easy tactics that don't take any more effort than what they are doing already.
First, the personal appeal. Politicians make a lot of appearances. Create cards with information requests and have your volunteers pass them out at every appearance. Offer a T shirt or something....explain your privacy policy along with what & why you want to communicate to them.
Make sure you deliver what you promise (hmmmm...)
Have some check boxes so people can check what they might be interested in (phone calls, get out the vote programs, in home events, platform updates....) The key is to make it feel participatory. The key to Howard Dean's success wasn't Spamming it was engagement.
The second is simply leveraging your existing Direct Mail program. You are sending me mail anyway. Build a landing page around your mailer where I can learn more about the "Critical Issue" you are bringing to my attention with the mailer. Make the goal of the mailer to visit the site.
The great thing about this strategy is that your DM costs should go way down since you don't need to send me a big brochure, just the bare minimum to get me to the site. We see a lot of this done with postcards....and because these save so much money per mailing you can send more or increase the frequency to the existing database.
Now you have got me to your site. What's the goal here? The opt in. Give what you promised in the mailer, but make sure you have a very compelling offer for them to sign up to hear more.
Finally, there is the Viral aspect. Make sure you devote a significant portion of your comunications to encourage your audience to forward the emails to others. Let's face it; the folks who sign up are probably going to vote for you anyway....what you need to do is use these people to recruit others.