[Delphine-dvlpt] Undelivered Mail Returned to Sender

[<MAI...@ns...>]

This is the mail system at host ns1.lambasnc.com.

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

<inc...@ma...>: host mxs.mail.ru[94.100.180.150] said: 550 spam message
    rejected. Please visit
    http://help.mail.ru/notspam-support/id?c=xVybi9utbbX2VFI2EkVvwtJ5P1kAviDyxaSkUtDBJPVn7bjO-Uakj42zZ9yrtUZ7zHN566zc7s8MIBz3ZSIVGxAAAABp4wAAA7r2Cw~~
    or  report details to ab...@co.... Error code:
    8B9B5CC5B56DADDB365254F6C26F4512593F79D2F220BE0052A4A4C5F524C1D0CEB8ED678FA446F9DC67B38D7B46B5ABEB7973CCCFEEDCACF71C200C1B152265.
    ID: 000000100000E3690BF6BA03. (in reply to end of DATA command)