Sergio, you're the ??? even though you're not concealed.
The LISTSERV reads the .xx at the end of the address, and
.com becomes ???.
I'll attach the countries file so you can see how it works.
--Judy Norris ([log in to unmask])
 
Country Internet        Country                         12/10/92
Code    Connectivity
-------------------------------------------------------------------------
  AF                    Afghanistan (Democratic Republic of)
  AL       *            Albania (Republic of)
  DZ                    Algeria (People's Democratic Republic of)
  AS                    American Samoa
  AD                    Andorra (Principality of)
  AO                    Angola (People's Republic of)
  AI                    Anguilla
  AQ       *            Antarctica
  AG       *            Antigua and Barbuda
  AR       *            Argentina (Argentine Republic)
  AM                    Armenia
  AW                    Aruba
  AU       *            Australia
  AT       *            Austria (Republic of)
  AZ                    Azerbaijan
  BS       *            Bahamas (Commonwealth of the)
  BH                    Bahrain (State of)
  BD                    Bangladesh (People's Republic of)
  BB       *            Barbados
  BY                    Belarus
  BE       *            Belgium (Kingdom of)
  BZ       *            Belize
  BJ                    Benin (People's Republic of)
  BM                    Bermuda
  BT                    Bhutan (Kingdom of)
  BO       *            Bolivia (Republic of)
  BA                    Bosnia-Hercegovina
  BW                    Botswana (Republic of)
  BV                    Bouvet Island
  BR       *            Brazil (Federative Republic of)
  IO                    British Indian Ocean Territory
  BN                    Brunei Darussalam
  BG       *            Bulgaria (Republic of)
  BF                    Burkina Faso (formerly Upper Volta)
  BI                    Burundi (Republic of)
  KH                    Cambodia
  CM                    Cameroon (Republic of)
  CA       *            Canada
  CV                    Cape Verde (Republic of)
  KY                    Cayman Islands
  CF                    Central African Republic
  TD                    Chad (Republic of)
  IO                    British Indian Ocean Territory
  CL       *            Chile (Republic of)
  CN       *            China (People's Republic of)
  CX                    Christmas Island (Indian Ocean)
  CC                    Cocos (Keeling) Islands
  CO       *            Colombia (Republic of)
  KM                    Comoros (Islamic Federal Republic of the)
  CG                    Congo (People's Republic of the)
  CK                    Cook Islands
  CR       *            Costa Rica (Republic of)
  CI                    Cote d'Ivoire (Republic of)
  HR                    Croatia
  CU       *            Cuba (Republic of)
  CY                    Cyprus (Republic of)
  CS       *            Czechoslovakia (Czech and Slovak Federal Republic)
  DK       *            Denmark (Kingdom of)
  DJ                    Djibouti (Republic of)
  DM       *            Dominica (Commonwealth of)
  DO       *            Dominican Republic
  TP                    East Timor
  EC       *            Ecuador (Republic of)
  EG       *            Egypt (Arab Republic of)
  SV                    El Salvador (Republic of)
  GQ                    Equatorial Guinea (Republic of)
  EE       *            Estonia (Republic of)
  ET                    Ethiopia (People's Democratic Republic of)
  FK                    Falkland Islands (Malvinas)
  FO                    Faroe Islands
  FJ       *            Fiji (Republic of)
  FI       *            Finland (Republic of)
  FR       *            France (French Republic)
  GF                    French Guiana
  PF                    French Polynesia
  TF                    French Southern Territories
  GA                    Gabon (Gabonese Republic)
  GM                    Gambia (Republic of the)
  GE                    Georgia
  DE       *            Germany (Federal Republic of)
  GH                    Ghana (Republic of )
  GI                    Gibraltar
  GR       *            Greece (Hellenic Republic)
  GL                    Greenland
  GD       *            Grenada
  GP                    Guadeloupe (French Department of)
  GU                    Guam
  GT                    Guatemala (Republic of)
  GN                    Guinea (Republic of)
  GW                    Guinea-Bissau (Republic of)
  GY                    Guyana (Republic of)
  HT                    Haiti (Republic of)
  HM                    Heard and McDonald Islands
  HN                    Honduras (Republic of)
  HK       *            Hong Kong (Hisiangkang, Xianggang)
  HU       *            Hungary (Republic of)
  IS       *            Iceland (Republic of)
  IN       *            India (Republic of)
  ID                    Indonesia (Republic of)
  IR                    Iran (Islamic Republic of)
  IQ                    Iraq (Republic of)
  IE       *            Ireland
  IL       *            Israel (State of)
  IT       *            Italy (Italian Republic)
  JM       *            Jamaica
  JP       *            Japan
  JO                    Jordan (Hashemite Kingdom of)
  KZ                    Kazakhstan
  KE                    Kenya (Republic of)
  KI                    Kiribati (Republic of)
  KP                    Korea (Democratic People's Republic of)
  KR       *            Korea (Republic of )
  KW                    Kuwait (State of)
  KG                    Kyrgyzstan
  LA                    Lao People's Democratic Republic
  LV       *            Latvia (Republic of)
  LB                    Lebanon (Lebanese Republic)
  LS                    Lesotho (Kingdom of)
  LR                    Liberia (Republic of)
  LY                    Libyan Arab Jamahiriya
  LI                    Liechtenstein (Principality of)
  LT       *            Lithuania
  LU       *            Luxembourg (Grand Duchy of)
  MO                    Macau (Ao-me'n)
  MG                    Madagascar (Democratic Republic of)
  MW                    Malawi (Republic of)
  MY       *            Malaysia
  MV                    Maldives (Republic of)
  ML                    Mali (Republic of)
  MT                    Malta (Republic of)
  MH                    Marshall Islands (Republic of the)
  MQ                    Martinique (French Department of)
  MR                    Mauritania (Islamic Republic of)
  MU                    Mauritius
  MX       *            Mexico (United Mexican States)
  FM                    Micronesia (Federated States of)
  MD                    Moldova (Republic of)
  MC                    Monaco (Principality of)
  MN                    Mongolia (Mongolian People's Republic)
  MS                    Montserrat
  MA                    Morocco (Kingdom of)
  MZ                    Mozambique (People's Republic of)
  MM                    Myanmar (Union of)
  NA       *            Namibia (Republic of)
  NR                    Nauru (Republic of)
  NP                    Nepal (Kingdom of)
  NL       *            Netherlands (Kingdom of the)
  AN                    Netherlands Antilles
  NT                    Neutral Zone (between Saudi Arabia and Iraq)
  NC                    New Caledonia
  NZ       *            New Zealand
  NI       *            Nicaragua (Republic of)
  NE                    Niger (Republic of the)
  NG                    Nigeria (Federal Republic of)
  NU                    Niue
  NF                    Norfolk Island
  MP                    Northern Mariana Islands (Commonwealth of the)
  NO       *            Norway (Kingdom of)
  OM                    Oman (Sultanate of)
  PK       *            Pakistan (Islamic Republic of)
  PW                    Palau (Republic of)
  PA                    Panama (Republic of)
  PG       *            Papua New Guinea
  PY       *            Paraguay (Republic of)
  PE       *            Peru (Republic of)
  PH       *            Philippines (Republic of the)
  PN                    Pitcairn
  PL       *            Poland (Republic of)
  PT       *            Portugal (Portuguese Republic)
  PR       *            Puerto Rico
  QA                    Qatar (State of)
  RE                    Re'union (French Department of)
  RO                    Romania
  RU                    Russian Federation
  RW                    Rwanda (Rwandese Republic)
  SH       *            Saint Helena
  KN       *            Saint Kitts and Nevis
  LC       *            Saint Lucia
  PM                    Saint Pierre and Miquelon (French Department of)
  VC       *            Saint Vincent and the Grenadines
  WS                    Samoa (Independent State of)
  SM                    San Marino (Republic of)
  ST                    Sao Tome and Principe (Democratic Republic of)
  SA                    Saudi Arabia (Kingdom of)
  SN                    Senegal (Republic of)
  SC                    Seychelles (Republic of)
  SL                    Sierra Leone (Republic of)
  SG       *            Singapore (Republic of)
  SI       *            Slovenia
  SB                    Solomon Islands
  SO                    Somalia (Somali Democratic Republic)
  ZA       *            South Africa (Republic of)
  SU       *            Soviet Union
  ES       *            Spain (Kingdom of)
  LK       *            Sri Lanka (Democratic Socialist Republic of)
  SD                    Sudan (Democratic Republic of the)
  SR       *            Suriname (Republic of)
  SJ                    Svalbard and Jan Mayen Islands
  SZ                    Swaziland (Kingdom of)
  SE       *            Sweden (Kingdom of)
  CH       *            Switzerland (Swiss Confederation)
  SY                    Syria (Syrian Arab Republic)
  TW       *            Taiwan, Province of China
  TJ                    Tajikistan
  TZ                    Tanzania (United Republic of)
  TH       *            Thailand (Kingdom of)
  TG                    Togo (Togolese Republic)
  TK                    Tokelau
  TO                    Tonga (Kingdom of)
  TT       *            Trinidad and Tobago (Republic of)
  TN       *            Tunisia
  TR       *            Turkey (Republic of)
  TM                    Turkmenistan
  TC                    Turks and Caicos Islands
  TV                    Tuvalu
  UG                    Uganda (Republic of)
  UA                    Ukraine
  AE       *            United Arab Emirates
  GB       *            United Kingdom (United Kingdom of Great Britain and
+ Northern Ireland)
  US       *            United States (United States of America)
  UM                    United States Minor Outlying Islands
  UY       *            Uruguay (Eastern Republic of)
  UZ                    Uzbekistan
  VU                    Vanuatu (Republic of, formerly New Hebrides)
  VA                    Vatican City State (Holy See)
  VE       *             Venezuela (Republic of)
  VN                    Vietnam (Socialist Republic of)
  VG                    Virgin Islands (British)
  VI                    Virgin Islands (U.S.)
  WF                    Wallis and Futuna Islands
  EH                    Western Sahara
  YE                    Yemen (Republic of)
  YU       *            Yugoslavia (Socialist Federal Republic of)
  ZR                    Zaire (Republic of)
  ZM                    Zambia (Republic of)
  ZW       *            Zimbabwe (Republic of)