Thank you for choosing Mackerel.
This announcement was previously made earlier this week in our update announcement blog post below.
Official Mackerel support (the "Feedback" option displayed in the upper right corner of the header while logged-in to Mackerel as well as correspondence/inquiries to firstname.lastname@example.org) will be closed during the Golden Week time period shown below.
Support window closed period：Apr 28th, 2018 (Saturday) ~ May 6th, 2018 (Sunday) (JST)
Inquiries received during this period will be replied to in order on Monday, May 7th. Thank you for your understanding.