Sending Email blind copies

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Roboframer

Sending Email blind copies

Post by Roboframer »

I often get emails from friends and in the sent to box there is a huge list of email addresses.

When I send multiple emails such as our newsletter I send it to myself and then everyone else 'blind'

Just received a spam 'from' a friend - list of electrical products - absolutely huge list of email addresses in the sent to box.

Should sending blind copies prevent this? If so then how come I've had emails from myself selling viagra - with a list of emails from my address book in the sent to box?

This friend is always sending (genuine) emails to large amounts of addresses - usually forwards, which I think is daft - everyone on the list can see your address book - or a chunk of it.
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daviddeer
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Post by daviddeer »

Hi Robo,
BCC or blind carbon copy does just that. Simply enter all the addresses in the BCC field separated by a semi-colon, comma, or whatever your program uses. When you click the send button, your email will go to each individual with only his or her name in the To field. None of the recipients knows to who else the email has been sent.
If you don't enter at least one valid email address in the To or CC field, then some email programs will indicate a notation like "Recipient list suppressed" in the To field, which tells the recipient at least that there are BCC addresses. If you don't want that to happen, you need to enter at least one valid email address in the To field.
What you need to know about BCC is that some spam filters automatically delete email addressed in the BCC field so it never reaches its destination. This means that while sending BCC is okay for privacy, your email might not always reach the intended recipients.
Note; there is a potential security flaw in the BCC feature. According to the conventions of the SMTP protocol, all addresses, including BCC addresses, are included in every email as it is sent over the Internet. The BCC addresses are stripped off blind copy email only at the destination email server. Therefore, if the addressee controls their email server or can access it, they could examine the BCC addresses on every email they receive.
Very occasionally, an email server will be misconfigured and not strip off the BCC list on email it sends to its local users, revealing the complete blind copy address field to users that receive the email at that domain. Therefore, BCC is very good but not perfect at keeping addresses confidential, and should not be relied on for the most critical and sensitive of communications. To avoid this problem you can always send the email to the main addressee, and then forward it old fashioned-way to those that you wish to have a copy.
Link here gives you the location of the BCC window on most programs.
Hope this helps,
-David
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