When you send messages to a purchased email list, you don’t have explicit opt-in to be emailing those subscribers. Explicit opt-in — meaning subscribers actively and knowingly gave you permission to email them (i.e. filling out a sign up form on your website) — is required for a quality list, says AWeber’s Best Practices Manager, Josh Smith. “If you don’t have explicit opt-in, you are bound to have problems,” he explains.
Charities and non-profit groups also use direct mail marketing to fundraise. One common method for charities is to send free return address labels to potential donors—accompanied by a giving slip and return envelope. The March of Dimes has had phenomenal success with this method; representatives there have added that the secret to direct mail contributions is to contact people often.
Keep the email short. If you write an email that's too long, there's a chance that recipients will skim over it or stop reading it at a certain point. This could mean that they miss your call to action, or what you're trying to get across. Try to edit out pieces of information that aren't critical to the overall message. Make messages as short and concise as possible. Avoid over-elaboration or background that can clutter your blast.
There are several web-based programs which send out email blasts and which also help the user to remain in conformity to anti-spam laws. The best and most versatile service is Aweber. It charges a flat rate of under $20 per month and everything is unlimited. For smaller email lists, MailChimp is excellent and one can use it for free if there are fewer than 2000 subscribers on the email list, and one only needs to send out a few blasts each month.