A roughing end mill is a special type of bit focused on fast material removal and comes with several features to reduce the cutting loads to allow for heavier and deeper cuts, such as:

If its from a specific email address, have you tried the option either via the toolbar or right click “Move to folder and Blacklist email address” ?

This 1/4″ Flat Roughing End Mill is specially designed for fast material removal for milling electric guitar bodies and raw lumber. Each end mill offers a 1.75″ cutting flute length and a 3.5″ overall length, allowing the milling through of standard-size guitar blanks. This End Mill is also excellent for rough cutting thicker wood in general.

I frequently use the filter tool to transfer undesirable e-mails to the spam box, and it works perfectly well. Except for one, which resists since months: regrdtfhbftrg. Does anyone know how to send it automatically to the spam dust bin? Thanks