How to use Zoho Mail in more than one location

How to use Zoho Mail in more than one location

Hello!


I'm trying to use Zoho Mail in 3 computers at the same time, I'm using Zoho Mail throught Microsoft Outlook in all 3 pc, but a lot of times that we try to update the e-mails, we get this message: " -ERR Mailbox locked." What we can do to avoid this or correct this?

Thank you, very much!