Hello,
I have server - FreeBSD 5.1 on it. it has many site on it.
From last few day's on some of site having problem that when i try to send mail through HORDE, it gives me following error :-

"There was an error sending your message: sendmail returned error code 255"

Is any one knows the solution for it.

ThankS
Sam:

Hello
I have solved the problem of "sendmail returned error code 255 " error, The action i took is i have update the cpanel
through shell. by command "/scripts/upcp" this resolve my problem.

Thank You

Sam