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Path: ...!news.mixmin.net!news.swapon.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: comp.mobile.android
Subject: Re: More about RCS.
Date: Sat, 4 Jan 2025 02:55:58 +0100
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On 2025-01-03 23:22, Arno Welzel wrote:
> micky, 2025-01-03 14:02:
> 
>> In comp.mobile.android, on Fri, 3 Jan 2025 06:58:16 +0100, Jörg Lorenz
>> <hugybear@gmx.net> wrote:
> [...]
>>> All other messengers have this functionality for years. This is minimum
>>> standard. Nothing to write home about.
>>
>> Really?  I never noticed any indication that my emails had been read
>> before I got RCS.
> 
> "email" is not "messenger". Don't get confused with that - these are to
> fundamental different services.
> 
> E-Mail uses long existing standard protocols like SMTP, POP3, IMAP and
> can be used with clients like K9 mail, Google Mail and so on. It is also
> a federated infrastrucutre, which means you can have a GMail account but
> you can also send e-mails to people at Hotmail or any other custom
> domain which has e-mail services enabled - because servers of the
> providers accept messages from other providers outside their own
> network. Yes, this has some limitations to avoid spam, but this is the
> general idea of federation.
> 
> Messengers on the other hand are mostly proprietary non-federated
> services like WhatsApp, Signal, Telegram, Threema etc. which use servers
> of the respective provider (like Meta in the case of WhatsApp) and they
> send messages using these servers. You also can not send message from
> WhatsApp to Signal or Threema. If you have friends using Threema you
> either also need a Threema account or you have to convince your friends
> to join the messenger service you use yourself.

Whereas SMS is guaranteed to exist on any (mobile) phone.

-- 
Cheers, Carlos.