Kmail allows to configure identities with one mailbox address (mailbox@some.domain) and several aliases (john@some.domain, jane@some.domain, max@totally-different.domain). It even allows wildcards (lists-*@some.domain), what is really great as MTAs can be configured to allow regex or catchall aliases, too (To: john@some.domain, Delivered-To: mailbox@some.domain) Unfortunately kmail ignores everything on replying (or forwarding) a mail. It always selects the identity that is configured in the folder properties and uses always the mailbox address. (I receive a mail at me@some.domain and kmail wants to reply from mailbox@some.domain) I can change the "From" header manually to match the "To" header of the answered mail (from mailbox@some.domain to me@some.domain), but I think the intention of email identities and aliases is to do that automatically. It is even worse if there is a common inbox for different providers, as kmail wants to answer mails to me@some.provider with other-account@different.provider (different identity and totally different address). The latter is a privacy issue as you can easily use the wrong email address. Reproducible: Always Expected Results: Kmail should select the "From" header with the associated identity automatically to match the "To" header of the replied mail.
Simple user here. I am using multiple "account+project@domain" addresses. For some folders I have "use default identity" selected as sender in the folder properties, for others a project specific one. But the setting mentioned before is only relevant when writing a new message. When I am answering an e-mail to "account+project123@domain" KMail automatically selects the identity associated with that e-mail address including From, BCC and Organization headers. Only when there is no identity configured for that specific address it selects the default one. (This really great support for multiple accounts and identities is one of the many reasons I still use KMail despite akonadi ;-D. ) So perhaps I am overlooking something or my version (KMail 5.2.0) got something fixed which wasn't yet fixed in your version?
Does not work at all in 5.1.3 The selected identity is always the last one I've selected manually. expected behavior: I have one account "account@domain" and an alias for it "account\+*@domain". If I receive a mail for "account+project123@domain" I'd like kmail to automatically select the "account@domain" identity and use "account+project123@domain" as from/sender.
I can confirm this. Forward the Email works as expected. Answering the email does not use the identity manually set in the Folder. It even ignores the the Standard-identity. Seems it just goes on the alphabet. Using kmail 17.04.03 on Gentoo. Strange: Answering uses wrong ID, forward right one.
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Still reproducible in 5.18.1