Receiving emails problem

Hello,

I have DirectAdmin system installed with CentOS OS. I created a user and a user email account. Then I tried to send email from my website (which is written on PHP5) to my mailbox. Everything seemed ok, but I did not received letter on the mailbox. The same is wehen I am trying to send through webmail SquirrelMail.

I got a record on var/log/mailog: Mar 5 17:07:15 432282 dovecot[535]: imap-login: Login: user=<gintare>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=7134, secured, session=<Rdpd7IsQhgB/AAAB> Mar 5 17:07:15 432282 dovecot[535]: imap(gintare): Disconnected: Logged out in=79 out=766

Please, help me.

Versions: DirectAdmin - 1.4 CentOS - 6.6 Dovecot - 2.2.15 SquirrelMail (wbmail) - 1.4.23

Thanks, Gintare