Which command line create an SSH tunnel for POP and SMTP protocols?
A. ssh- L :110 -L :25 -1 user -N mailhost
B. ssh -L 25:110 -1 user -N mailhost
C. ssh -L mailhost:110 -L mailhost:25 -1 user -N mailhost
D. ssh -L mailhost:25:110 -1 user
E. ssh -L 110:mailhost:110 -L 25:mailhost:25 -1 user -N mailhost