hi, i have installed OTRS on Debian, its working fine sending & receiving the tickets, i have set a auto responder for new tickets in the queue, the problem is the sender of the ticket never receive the auto response, system log shows the following errors: OTRS-PM3-10[15211]: [Notice][Kernel::System::Ticket::TicketCreate] New Ticket [1053/Test Ticket-032] created (TicketID=134,Queue=Suppo$ OTRS-PM3-10[15211]: [Error][Kernel::System::Email::SMTP::Send][Line:87]: Can't use from: ! Enable debug for more info! OTRS-PM3-10[15211]: [Notice][Kernel::System::Ticket::Article::SendAutoResponse] Sent auto response (SendAutoReply) for Ticket [1053] ($ OTRS-PM3-10[15211]: [Notice][main::FetchMail] Fetched 1 email(s) from aman@eurus.net@pop.fatcow.com. when enable the debug,shows OTRS-PM3-10[11202]: [Notice][Kernel::System::Ticket::TicketCreate] New Ticket [1051/Test Ticket-030] created (TicketID=132,Queue=Suppo$ OTRS-PM3-10[11202]: [Error][Kernel::System::Email::SMTP::Send][Line:127]: Can't connect to smtp.fatcow.com: Bad file descriptor! OTRS-PM3-10[11202]: [Notice][Kernel::System::Ticket::Article::SendAutoResponse] Sent auto response (SendAutoReply) for Ticket [1051] ($ OTRS-PM3-10[11202]: [Notice][main::FetchMail] Fetched 1 email(s) from aman@eurus.net@pop.fatcow.com. help plz, thanks in advance. -- regards: Amanpreet Singh