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Make IMAP work like POP3?
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Goverp
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Joined: 07 Mar 2007
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PostPosted: Mon Sep 21, 2020 5:58 pm    Post subject: Make IMAP work like POP3? Reply with quote

I'm a happy POP3 user; I download my mail from Yahoo to my desktop PC (into kmail, since you asked), thereby removing it from the web/cloud and keeping it where I maintain backups. But Yahoo keeps badgering me about using an old and insecure client. I'm not sure if IMAP would cure that complaint, but everywhere I read that POP3 is outdated, so perhaps I should move anyway. But ... can I get IMAP to work like POP3 does, i.e. download and delete?

(I know everyone uses IMAP so they can read their emails from phones, tablets, desktops, public PCs in the library, and no doubt smart watches and no doubt while driving a car or flying a 737-MAX. But I'm a Luddite; I like making my own hand-knapped flint tools.)
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Etal
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Joined: 15 Jul 2005
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PostPosted: Mon Sep 21, 2020 6:20 pm    Post subject: Reply with quote

If you actually read what they're saying, you'll know it won't cure the complaint ;)

Quote:
Option 3: You can generate a one-time, unique password that will allow you to sign in to your account using your non-Yahoo email application. Once created, this password will continue to allow your app to securely sync your Yahoo email unless you sign out (or are signed out) from your app. You can find instructions on how to do this here.


That said, how the client handles IMAP depends on your client. I don't know what KMail does (I gave up on in in the early KDE 4 days) but for example fetchmail has "keep" and "nokeep" options to determine if you want the mail to be deleted once it's retrieved. If you don't mind the polling delay, I don't see a reason to switch off of POP3 though.
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Goverp
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PostPosted: Tue Sep 22, 2020 10:14 am    Post subject: Reply with quote

Etal wrote:
I...
That said, how the client handles IMAP depends on your client. I don't know what KMail does (I gave up on in in the early KDE 4 days) but for example fetchmail has "keep" and "nokeep" options to determine if you want the mail to be deleted once it's retrieved. If you don't mind the polling delay, I don't see a reason to switch off of POP3 though.

Kmail has a "keep" option (actually "leave fetched messages on server") , but it only applies to POP3; no similar option for IMAP as far as I can see.
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jamapii
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PostPosted: Tue Sep 22, 2020 4:05 pm    Post subject: Reply with quote

IMAP can do download and delete (see fetchmail). But ...

So I don't know about yahoo, only about google.

There, IMAP does not qualify as "secure". Even with SSL and whatnot.

For Google, there is no way to download and delete email _automatically_ that qualifies. At least whenever I searched, there was always a lot of talk, sometimes with "solutions" that are not completely documented or simply said to not work. Or they just dodge the simple "automatically" thing.
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msst
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PostPosted: Tue Sep 22, 2020 6:03 pm    Post subject: Reply with quote

IMAP has a fundamentally different concept from POP. It offers basically email storage on a server sorted in folders, with quotas, search on the server etc. and your clients are supposed to connect to it and sync what is required. So no matter what client you use on whatever computer you have the same emails sorted in the same way.

So it simply is not meant to be used for download once and delete. Which does not mean that one could not set it up somehow to work like this. You'd probably have to setup a local imap store (server) on your computer and move the content of the imap server to your local imap store periodically with a background script. There is an imapsync package in gentoo which works.

This usage does defeat most advantages from the concept though and works only with 1 computer. But that seems to be what you want.
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