OnHostUnreachable event

Applies to

SendMail component.

Declaration

property OnHostUnrachable: TNotifyEvent;

Description

The OnHostUnreachable event occurs if the SendMail can not establish connection to SMTP server, specified in SMTPHost property. Possible reasons of this problem is:

1.

User currently not connected to the Internet;

2.

Hostname is unknown (check spelling of domain name in SMTPHost property);

3.

Invalid SMTP port specified (check the number of SMTP port in SMTPPort property);

4.

Remote server is down (disconnected from Internet).

Example
Delphi:

procedure TForm1.SendMail1HostUnreachable(Sender: TObject);

begin

Application.MessageBox(PChar('Specified SMTP server is unreachable.'#13#10#10'Please check your Internet connection'#13#10'or specify another SMTP host or/and port.'),

PChar(Application.Title),

MB_OK or MB_ICONSTOP);

end;

C++ Builder:

void __fastcall TForm1::SendMail1HostUnreachable(TObject *Sender)

{

AnsiString Msg =

"Specified SMTP server is unreachable.\n\n"

"Please check your Internet connection\n"

"or specify another SMTP host or/and port.";

Application->MessageBox(Msg.c_str(),

Application->Title.c_str(),

MB_OK | MB_ICONSTOP);

}

See also

SMTPHost and SMTPPort properties;

OnAnyError event.

File not found.