POP may refer to any of the following: 1. Short for Post Office Protocol, POP or POP mail is one of the most commonly used protocols used to receive e-mail on many e-mail clients. There are two different versions of POP: POP2 and POP3. POP2 was an early standard of POP that was only capable of receiving e-mail and required SMTP to send e-mail.
Zach Herron a 16 year old emerging pop artist / singer songwriter from Dallas, TX. He is 1/5th of Why Don't We. His vocal styling has been compared to Justin Bieber, Shawn Mendez, and Ed Sheeran to name a few.
(July 2008). Mark Herron (8 July 1928 â 13 January 1996) was an American actor best known as the fourth husband of singer and actress Judy Garland. They were married on 14 November 1965 in Las Vegas, but they separated after 5 months of marriage apparently due to his homosexuality.erron had a long-lasting relationship with fellow actor Henry Brandon, which was only briefly interrupted by his marriage to Garland. The two men remained together until Brandon's death in 1990.