[Evolution-users] Constantly have to clear cache

Patrick O'Callaghan poc at usb.ve
Mon Nov 10 12:00:17 UTC 2025


On Mon, 2025-11-10 at 12:01 +0100, Milan Crha via evolution-users
wrote:
> On Mon, 2025-11-10 at 00:39 +0100, Patrick O'Callaghan wrote:
> > > Can the client ask how many connections the server allows, and not
> > > try to open more than that?
> > 
> > Milan could answer that, but my assumption would be that it already
> > does this. Multiple connections are a feature of IMAP4 and I would
> > imagine (without checking) that there is a way to query the server.
> 
> 	Hi,
> Evolution (libcamel from the evolution-data-server) does not ask, it
> lefts the user to decide, using some default (which works for many/most
> servers). I do not think IMAP4 has any such command, but I did not try
> to search for it.
> 
[...]

I asked ChatGPT and got this:

Server			Typical limit per account		Notes
------			-------------------------		-----
Dovecot			~10 concurrent logins			Configurable via mail_max_userip_connections
Cyrus IMAP		~20–50					Adjustable in imapd.conf
Gmail IMAP		~15 concurrent connections		Includes mobile apps & desktop clients
Exchange/Outlook	~20					May throttle extra sessions

There doesn't seem to be a standard way of asking the server what its limits are.

poc


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