po commented on dienasgramata's post:

Viņi mainīja standartu uz sekjūrāku.

If You use POP3 protocol:

POP3 (Incoming mail server): mail.inbox.lv
Encryption: SSL necessarily has to be switched on
POP3 server's port: 995 (earlier was used 110)

SMTP (Outgoing mail server): mail.inbox.lv
Encryption: TLS or Auto necessarily has to be switched on
SMTP server's port: 587

If You use IMAP protocol:

IMAP (Incoming mail server): mail.inbox.lv
Encryption: SSL necessarily has to be switched on
IMAP server's port: 993

SMTP (Outgoing mail server): mail.inbox.lv
Encryption: TLS or Auto necessarily has to be switched on
SMTP server's port: 587