If you need to configure Gmail email manually, here are some POP3, iMAP and SMTP settings for you:
POP3 (Incoming)
POP3 SERVER pop.gmail.com POP3 PORT 995 POP3 PROTOCOL TLS NOTE: Make 100% sure that POP3 download in your Gmail settings is set to Enable POP for mail that arrives from now on
iMAP (Incoming)
iMAP SERVER imap.gmail.com iMAP PORT 993 iMAP PROTOCOL SSL SMTP (Outgoing)
SMTP SERVER smtp.gmail.com SMTP PORT 587 SMTP PROTOCOL TLS