Scan To Email - SMTP Error - Xerox 7255

HI Team,

Scan to email option is not working on our printer.

We are able to ping ,trace and telnet our SMTP server without any issues.

Please guide us further,below are the error details

Error:

Job Status: Failed

one or more messages were not sent .device could not transfer messages to the sending mail server (smtp).see your systems adminiistartor

Printer Details

machine Model

Name

Serial Number:3337135942

Regards,

Viswanath