How to trust a key only for users in one domain

Chris Covington Ccovington at
Thu Dec 13 17:19:07 CET 2007

What would the command line be in GnuPG to sign a key and specify a domain, so that if that signed key signs another key in the specified domain, the other key would be listed as valid?

For instance if I want to sign the gnupgAdmin at public key so that any key that the gnupgAdmin signs is listed as valid, if the key is for a user in the domain.  This is typically referred to as a "Trusted Introducer" signature and is listed in RFC 4880 section


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