DSXchange

I can't mail to the webmaster, I get the following notification.

----- The following addresses had permanent fatal errors ----- XXXXX@gmail.com
(reason: 550-5.7.1 [66.34.129.46 12] Our system has detected that this message is)
(expanded from: <webmaster@dsxchange.com>) XXXXX@gmail.com
(reason: 550-5.7.1 [66.34.129.46 12] Our system has detected that this message is)
(expanded from: <webmaster@dsxchange.com>)

----- Transcript of session follows ----- ... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.1 [66.34.129.46 12] Our system has detected that this message is
<<< 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to Gmail, <<< 550-5.7.1 this message has been blocked. Please visit <<< 550 5.7.1 https://support.google.com/mail/answer/188131 for more information. b144si23972ywa.121 - gsmtp
554 5.0.0 Service unavailable

Well... it blocked it as SPAM which it noted in the reject message. However, I don't believe there is currently an official webmaster and AFAIK the only working email is editor@dsxchange.net as mentioned elsewhere in this forum.