1Login to POP3 server failed due to the following reason: [SYS/TEMP] service temporarily unavailable message

Mail
11

These are the correct settings:

POP3 :
host: pop.verizon.net
port: 995
security policy: Use SSL/TLS on special port (legacy)

SMTP :
host: smtp.verizon.net
port: 465
security policy: Use SSL/TLS on special port (legacy)

And for your username, make sure you use the full email address. i.e. [email protected], not just johndoe_1.