same key pair for more than one e-mail address

[Olav Seyfarth]

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Hi Marcio,

> Suppose I'd like to "bind" the same key pair to more than one e-mail address.
> Is it recommended? Any comments will be greatly appreciated.

it depends.

Using it for two private mail addresses that both are public is no problem.
You may add or revoke UIDs later on.

If you use an email address only your closest friends know, then adding a UID
for it to your public key would reveal it.

Also, keep in mind that if you use the same key for private and business,
depending of the legislation on your country, your employer might ask you to
hand out the private encryption key once you leave the company. It is wise
to avoid such situations by using separate keys for business and private use.

There are more cases like a low-trust key just to secure transport e.g. for
XMPP aka Jabber.

Olav
- -- 
The Enigmail Project - OpenPGP Email Security For Mozilla Applications
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