Spam detection software, running on the system "lists.blown.net",
has identified this incoming email as possible spam.  The original
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similar future email.  If you have any questions, see
the administrator of that system for details.

Content preview:  This message was sent at the request of rbbalabis@gmail.com.
   If you want to opt-out of invitations from Boxbe members, use this link:
  https://www.boxbe.com/unsubscribe?email=hybrid@lists.ircd-hybrid.org&tc_serial=22684218609&tc_rand=1921850398&utm_source=stf&utm_medium=email&utm_campaign=invite_generic&utm_content=original_001
   [...] 

Content analysis details:   (5.2 points, 5.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail
                            domains are different
 2.0 BAYES_50               BODY: Bayes spam probability is 40 to 60%
                            [score: 0.4434]
 0.0 HTML_MESSAGE           BODY: HTML included in message
 1.8 HTTPS_HTTP_MISMATCH    BODY: No description available.
 0.0 T_DKIM_INVALID         DKIM-Signature header exists but is not valid
 1.2 FREEMAIL_FORGED_REPLYTO Freemail in Reply-To, but not From