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by DeadMeat038
Mon Jun 01, 2020 12:44 pm
Forum: Error Reports and Issues
Topic: IMAP very slow on large mailboxes
Replies: 0
Views: 12385

IMAP very slow on large mailboxes

I'm having issues with some users that have large mailboxes and IMAP taking a very long time to synchronise. Outlook (Office 365 and Office 2019) performs it's "Send and Receive" and takes a very long time to do so. When it finishes the inboxes don't appear to have updated at all and new mail is not...