[otrs] How to increase email size ?

Hi all My system log gives me the following error. Please let me know how to increase the size of the mail. Message: Can't fetch email 1 from ticket@spectrum.net.in@mail.spectrum.net.in. Email to big (10939 KB - max 6144 KB) Thanks in advance -- Greetings... ___________________________ Bipin Das Spectrum Softtech Solutions, 0484-4082000