we are going to perform another part of the mailbox services data migration to the new NettApp storage during the night from Saturday March 18, 2017 to Sunday March 19, 2017.
During this maintenance POP3, IMAP, SMTP and Webmail services will be temporarily unavailable (for tens of minutes).
Customers WILL NOT HAVE TO CHANGE any settings for email accounts in their email clients.
See more details in our Knowledge Base:
Thank you for your understanding.