uses
System,
Classes,
IdAssignedNumbers,
IdCmdTCPServer,
IdCommandHandlers,
IdContext,
IdCustomTCPServer,
IdEMailAddress,
IdException,
IdExplicitTLSClientServerBase,
IdReply,
IdReplyRFC,
IdReplySMTP,
IdTCPConnection,
IdTCPServer,
IdYarn,
IdStack;