No notifications for a specific email account

[xokaido]

Hello all...
I've got BB Curve 8300 have successfully set up three email accounts but unfortunately one account doesn't notify about new mails. Everything is working, emails are working well, I am able to send and even receive from this account, but whenever I have a new mail there is no notification for it. I know there is new email because I am sending myself from different account. All the options are the same for all the accounts, everything is the same for all, other two do work pretty well, but this one doesn't. I've also tried to remove account and re-add but that didn't help, all the configurations are being restored. There is no sound, no red start and no unread mail notification. New email recieved goes to the inbox and sits there as if it were read already. Any help would be greatly appreciated.
Thanks

[xokaido]

Is this forum alive?... 57 views and no response ;-(

[Motorcycle Mama]

What type of email is it?
What OS version is on the device?
What alerts do you have set for that email address in your sound profiles? Have you tried setting them to something different?

[xokaido]

The type of email?... I can't understand what that means, but the email is corporate, the mail server is google, we've bought google mail hosting service.
The OS version on my phone is latest, 4.5.
I tried setting the same alerts as well as different ones for each email account, no luck.