Bad Signature - Both Roundcube and Squirrelmail webmail cannot search for anything + cannot open many emails because there are more than 200, 000 emails in my Inbox

Turritopsis Dohrnii Teo En Ming ceo.teo.en.ming at
Wed Apr 20 13:51:18 UTC 2022

I believe Gmail is using IMAP. The instructions for configuring Gmail
email accounts in Outlook specifically mention IMAP server hostname:

TCP Port 993, SSL


Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individual in Singapore
20 Apr 2022 Wednesday

On Wed, 20 Apr 2022 at 09:26, Shawn Heisey <elyograg at> 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 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

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