Problems with POP3 (was: Re: Akonadi with PostgreSQL 14)

[Ingo Klöcker]

On Donnerstag, 18. November 2021 10:55:38 CET Peter Humphrey wrote:
> On Wednesday, 17 November 2021 22:06:59 GMT Bjoern Bidar wrote:
> > The problem could be related to POP3 support maybe?
> > Akonadi has different backend services depending on the protocol. I'm not
> > sure but that's at least what's different between you and me.
> 
> And POP3 has been causing KMail problems for years, not least because none
> of the devs have POP3 accounts to test it on, or so I read once.

Yes, that. It's a general problem of software development that features that 
are not used by the developers on a regular basis rot much more quickly than 
features they use regularly.

Moreover, with POP3 there are fundamental technical issues if you use the 
"leave messages on the server" option. If the server doesn't play nice, then 
old messages may be reported as new by the server. If you need to read your 
messages on multiple computers, then IMAP is the only sensible option. POP3's 
"leave messages on the server" is a kludge.

Regards,
Ingo
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