[Pkg-mailman-hackers] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host h2810582.stratoserver.net.

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

<pkg-mailman-hackers at lists.alioth.debian.org>: host
    alioth-lists-mx.debian.net[185.73.44.171] said: 550-This message has been
    identified as spam (scored 16.0). Please contact 550 postmaster if you feel
    this is in error. (in reply to end of DATA command)
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