They do, I have used them myself for years and have no complaints!
If you are setting up a forward/IMAP collection from Gmail though, be sure to set it to delete messages from Gmail after forwarding/collection. Any email you leave on a server longer than 30 days is classified “abandoned property” for the purposes of warrantless searches in the US (and if you’re European using Gmail, this applies to you too), even if you’re still actively accessing the email inbox.
If you’re recommending setting up a forward/IMAP collection from a Gmail account, don’t forget to mention deleting the messages from the server as well! Emails left on a server for more than 30 days are considered “abandoned property” for the purposes of warrantless search.