As spam mail received, we are most often used way is to remove or delete directly, think it is safer, actually otherwise,

If you received a spam, please do not reply to the sender or using any of the commands in the included in the junk mail (e.g., "delete"), the use of any reply or command, can inform the junk mail to send a "real" your email address, your email address will therefore be placed in more junk mail list, there will be more spam and you intimate contact,