Method code for $smtp.VRFY()

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---

  1: arg c, address;
  2: var lines, code, line;
  3: 
  4: .set_timeout(c, 120);
  5: c.write("VRFY " + address);
  6: lines = (> .get_response(c) <);
  7: [code, line] = lines[1];
  8: if (code < 300 && code >= 200)
  9:     return [code, lines.slice(2)];
 10: throw(~error, lines.slice(2).join(), code);

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// Created 13-Oct-1996 as a part of ColdCore, see: @help Credit