If you mean e-mail, most clients provide a feature called "Carbon Copy," notated as cc:
There, you can put multiple, other e-mail addresses to send the same message to other people. This is used in newsletters and business announcements.
Mass email is also called as spam. It is a technique used by various companies to send bulk emails. This canbe done through personalized software.
You put lots of people in a contact group and send to that group.
You can send a fax from your email. There are several free services taht will allow you to fax.
Get their email address and send an email it is the same everywhere.
Carbon Copy...as in sending an email to more than one person. BCC is Blind Carbon Copy..when you send an email to two people, but the person in the "Send to:" category does not know that the person in the "BCC" category has received the same email.
You enter an email address in the TO box. You can send it to one person or many people all at the same time.
Emails allow people to send messages to people over the internet. A person must have a unique email address to send and receive emails.
Send an email using the Blind Carbon Copy (BCC) field. This will send the email to everyone in that field, but they will only see your email address (From) and their own email (To) and no other address.
windows live messages is where you can send email to people and other people can email you.
If the person sending the email to you also sent the same email to 10 other people then using the reply to all would send a reply to the person that sent you the email and the other 10 people.
Bots created by people send email spam.
An identical answer to several people is often referred to as a "form letter," allowing the writer to send the same message to several people, customizing individually if necessary or possible.
It means to reply to all recipients of the original email. So if the email was sent to you and several other people, by selecting reply all you would send your response both to the person who sent you the email AND all the several other people.