i am getting following error while sending 6 mb file, but i am able to send 2 mb file without any error
The message reached the recipient's e-mail system, but delivery was refused. Attempt to resend the message. If it still fails, contact your system administrator.
<postbox.test.COM #4.3.1 smtp;552 4.3.1 Message size exceeds fixed maximum message size>
I am sending 6 mb file