skontroluj si ci mas spravne nastavene SSL a porty

Incoming Mail (POP3) Server - requires SSL:
pop.gmail.com
Use SSL: Yes
Port: 995

Outgoing Mail (SMTP) Server - requires TLS:
smtp.gmail.com (use authentication)
Use Authentication: Yes
Use STARTTLS: Yes (some clients call this SSL)
Port: 465 or 587