A recent security update may affect your email access:
if you access your email using a browser you can use the following alternative address:
https://host.iccmhosting.com/webmail
If you are using MS Outlook try the following changes:
update your mail server settings:
Incoming mail server: host.iccmhosting.com
Outgoing mail server: host.iccmhosting.com
in the "more settings" advanced tab ensure that "AUTO " is
selected as follows:
use the following type of encrypted connection: AUTO