Please know UCSC supports several lists where users can email questions and search archived answers:

-For posting general non-mirror and non-confidential questions: * Post to the Public Help Forum: Email genome@soe.ucsc.edu or Search the Public Archives: https://groups.google.com/a/soe.ucsc.edu/forum/#!forum/genome

-For posting mirror-specific questions: * Post to the Mirror Help Forum: Email genome-mirror@soe.ucsc.edu or Search the Mirror Archives : https://groups.google.com/a/soe.ucsc.edu/forum/#!forum/genome-mirror

-For posting questions with information that is private/confidential: * Email genome-www@soe.ucsc.edu