For a general-purpose key pair, choose DSA/ElGamal (option #1). This actually gives you two sets of keys: a DSA key pair that will be used by gpg for signing/verifying and an ElGamal pair that gpg ...

Marcus Brinkmann, a security researcher, has announced that many of the most widely used email encryption tools have been vulnerable to signature spoofing since they were first used. Not only that, ...