Dear Matt,
Server is reachable on 143 port but not able to authenticate.
from same server we are able to connect and authenticate from any mail client.
But neither Mailbox Migration tool nor Imap Message Retrieval is working.
Regards,
NetGains Support Team
NetGains Technologies Pvt. Ltd.
Making iT Simple
Help Desk: +91-22 - 6139 7100
Website : www.netgainstechnologies.com