All, I am very new to otrs ( coming back to it after many years ). Our install here is failing to send emails out this morning with the following error : [Fri Nov 4 08:29:11 2011][Notice][Kernel::System::PostMaster::Filter::MatchDBSource::Run] Filter: 'QUEUENAME' Set param 'X-OTRS-Queue' to 'QUEUENAME ' (Message-ID: ) [Fri Nov 4 08:29:11 2011][Notice][Kernel::System::Ticket::TicketCreate] New Ticket [2011110401000021/RE: Order Proce] created (TicketID=771,Queue= QUEUENAME ,Priority=3 normal,State=new) [Fri Nov 4 08:29:11 2011][Error][Kernel::System::Email::Sendmail::Send][81] Can't send message: Cannot allocate memory! [Fri Nov 4 08:29:11 2011][Info][Kernel::System::Email::Send] Error sending message Is there a set limit etc in otrs that may cause this, or is this a system issue ? Any help appreciated. ie RTFM etc ! Thanks Martin