Hello,

The senders receive this error:

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

                   The mail system

<vsendino@uberta.es>: host mx.zoho.com[204.141.32.121] said: 559 Message not

    committed due to internal error (in reply to end of DATA command)

What could we do?

Tahnk you,

Miguel