Go into your address book and make a new contact as Undisclosed recipient and then associated your email address with that contact name. Save that entry to your address book.

So next time you want to send one email to numerous people in your address book. Do this

Go into your address book. Select Undisclosed recipient from list. Put that in your To: field. With that done, go back into your address book and select people from your list and put them in Bcc: field of your email. When people receive email it will show this.

To:Undisclosed recipient or your email address depending again on your email program. Subject: whatever you want Bcc: Nothing It won't show up. Even when full header is viewed

It serves two purposes. One people's email address are out in open and two. The recipient doesn't know who you sent email nor should it be their business.

Which one should you buy? No one can make that decision for you. But it is important to know what you are buying in advance. In addition to these choices, there are also ink refill kits that make it possible to refill an ink cartridge.

Read more about various printer ink cartridge options.