I believe Gmail is using IMAP. The instructions for configuring Gmail email accounts in Outlook specifically mention IMAP server hostname:
imap.gmail.com TCP Port 993, SSL Regards, Mr. Turritopsis Dohrnii Teo En Ming Targeted Individual in Singapore 20 Apr 2022 Wednesday On Wed, 20 Apr 2022 at 09:26, Shawn Heisey <elyog...@elyograg.org> wrote: > > On 4/19/2022 5:12 PM, Turritopsis Dohrnii Teo En Ming wrote: > > It is not true that no email system was ever designed for 200,000 or > > more emails. > > > > If I did not remember wrongly, more than 10 years ago, I used to have > > a Gmail email account, with 4-5 MILLION email messages in the Inbox. > > There was no problem searching even though I had 4-5 MILLION email > > messages in the Inbox. > > If you were using either a Google app or the gmail.com website to access > that inbox, then it doesn't compare. I really doubt that either of > those uses the IMAP protocol. They would be using something proprietary > that is highly optimized for the way that Google stores data and > leverages the enormous amounts of computing power that they maintain. > > I would bet that if you accessed a gmail folder with 5 million messages > in it using IMAP, you would have similar problems with it to those that > have been described here in this thread. IMAP is a beautiful protocol, > but I don't think it was designed for handling that many messages. > > Thanks, > Shawn >