Dr. Quenum & Associates, IBC / BusinessAfrica (TM) secure and privacy mail exchanges are done through PGP key. You can use this email address with Dr. Quenum's Public OPEN PGPkey exposed below above the key fingerprint in the green field

-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.7 (MingW32) - WinPT 1.2.0 mQGiBEf1F74RBACxH2/Q/kkoR0ji66kdZ7s4UheNIe+3RDOr0LfAyuQVm1XvRsSe zXw/nVjqp2y0LKxk+RaTgMPAWIvN1DDiFDnU7L7+pSK8zAbj2SZGT/SHdEJZeqhJ ROFlQ6iaRpdM+Uhg41FxH1OO925qvhB1CAFUP2Gi6UMmsYLPhwzft6EAFwCgmTym scHbbwOs+owEdjKW9CfZMf0EAIu2z0xbey5GUaGAHuASrBWehbOzbe4AlOlWLqsW m27aMvu2xBCCrlmax9b1beSlDqamCtQ5qxvfySpaMjTU4ODxShlLFgkKNfC7ehWb tvTmQH7JNbK6YwO/4RRaNcOAgHhc7V6TucbgnMlTQV0eqrvrL5ldfp/n3Jb9e1+K XV8qA/4sUFkKVDvdIKzHkzqp/nRHB5jKRTiJVsXD3IQ1rpIQH5p2B20i+mipw9/8 RFodjPcQBx7Y+/PvdidgokFK+RHXq50Gk8pry9dQ0240KSb51cz50893/TBEBKoJ b2MNwj/pn7/2Qi7NhlWvKkDkU1tlWiOY6mEo165bGJuhpU9uWLQvQmllbnZlbnUt TWFnbG9pcmUgUXVlbnVtIDxlZGl0b3JAYWZyaWNhYml6Lm9yZz6IYAQTEQIAIAUC R/UXvgIbIwYLCQgHAwIEFQIIAwQWAgMBAh4BAheAAAoJEFIjNw+x1d6UkvUAoJdL /nkkM/fLtP92D310wYwFDvb3AKCKhZrZe8wBGphAAo15oLiCET0kjrkBDQRH9Re+ EAQAtTa4UNlxVQG+D3qc3EzRpa068q0y6yrmJnBAjg+q+aTilEgwF4d6Z/BBNxcx 7Gh0Ln5aJXQKuSml8/jqOvmieRjFKGri9pkhe+/y8Acw4xipOUmi/K0e3zgTh2mI 0MLzuu2WxbHWEQ4dIaH1vAX1Gz0ILvZBqErmcu2aGnO4TJ8ABAsEAJ8/3NUQVAg4 BB3Qb5iYYhSZ4uV9+BMBCDkn/n52LYf56h4z7NBBKgBRKjs3nBnnoai3IjywQdaH LsZ1NLjyooPPBwyEC+BoSgG1IL4bXjp8/pweeH+7eYBeGbIH76h4GY+fDRBVh7hc 6h3D2EgYcEa1mwkgKF2qg1M3IzYxIUQpiEkEGBECAAkFAkf1F74CGwwACgkQUiM3 D7HV3pTaOACgldjM0OKam8+Foy4+0ubu0inAuUYAnjgTaiZqTLpn7u3NwFb4zqJM rIfA =ggDG -----END PGP PUBLIC KEY BLOCK-----

50F0 A22C 36F1 6A0A D081 6FE8 5223 370F B1D5 DE94

To copy the key to your keyring, you need to select with your right click mouse from ---BEGIN PGP PUBLIC KEY BLOCK--- to ---END PGP PUBLIC KEY BLOCK--- the dot lines included.
And copy to your PGP Keys ring.