...is hosted by Sendcastle.com
because a customer of ours chose to use this subdomain for unsubscribing,
online-viewing, hosting and linking in their email list.
You probably got here because you saw it in a mail. This is perfectly normal.
help organizations with email newsletters and
other large mail sendings. If you have any questions you are more than welcome to visit our website
or contact us at firstname.lastname@example.org