Receiving Random Duplicate emails

Two of our email accounts have also recently begun receiving random duplicate emails. These accounts are using only IMAP, never POP.

Sometimes 4 or 5 copies of the same email appear in the inbox of a few of our accounts. This seems to be a Dreamhost problem and also it seems we’re not the only Dreamhost client experiencing it.

I am also having this problem with an IMAP only mailbox. This has happened with different senders from different ISPs as well.