Re: [Evolution] Evolution and gmail

2022-08-17 Thread Ángel
On 2022-08-16 at 23:24 +0100, Patrick O'Callaghan wrote:
> Spam filtering is under the control of the receiver. It's trivial to
> tell Gmail that a message is not spam, and it will learn that for
> future reference. You might also look at *why* your mail is being
> classified as spam. Could it be that some people have marked it as
> such?

Actually, I would consider this a weak point of gmail. As a receiver,
you don't know why a message is considered spam (compare that with a
system like SpamAssassin, where you can view the scoring of the
different modules), and even Google itself would often be unable to
determine why the ML engine considered it bad.

Sometimes Gmail provides some reasons, like "This message is similar to
other spam messages", but (a) They are generic explanations, not always
matching the underlying one and (b) They can be completely false (such
as claiming as similar a message that is completely unique). Which is
not to deny that it is a powerful spam filter.

Finally, you have the option to create filters that exclude messages
from being marked as spam. However, I have seen accounts with a
wildcard "do not mark as spam" rule, with messages getting classified
as spam (they _were_ spam, but still…) so, at least in the past, Gmail
was overriding the filters in some cases, so it was not really "under
the control of the receiver".


Regards


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Re: [Evolution] Evolution and gmail

2022-08-17 Thread Ángel
On 2022-08-16 at 12:30 +0200, Jaroslaw Rafa wrote:
> Dnia 16.08.2022 o godz. 12:22:55 Andre Klapper pisze:
> > On Tue, 2022-08-16 at 12:19 +0200, Jaroslaw Rafa wrote:
> > > There is one more valid reason to use POP: if you have a main mail account
> > > (A) and a secondary one (B), and you want to have all messages from 
> > > account
> > > B forwarded to account A, but account B doesn't allow to configure
> > > forwarding.
> > 
> > That resembles http://www.xkcd.com/1172/
> 
> You may laugh, but many people actually do use this.
> 
> This is even recommended by some "deliverability specialists" as a better(!)
> alternative to forwarding (especially to Gmail), because forwarding breaks
> SPF (or SPF breaks forwarding - it depends how do you view that issue) and
> sending a lot of messages with failed SPF may decrease the reputation of the
> sending server on the receiving end.

Well, even if you are able to forward account B to gmail account A,
Google may decide to reject a portion of those at SMTP time, so the
"solution" is to point account A to *also* fetch the emails from B
through POP, so they end up downloaded in that other way.
Corporate version does have an option to trust a sender MTA as part of
your organization (at the org level, I think), but normal users have to
use this kind of duct tape. 

For extra fun: Gmail will also perform "SPF checks" on those POP-
downloaded mails and decide on whether they are spam or not based on
the (sometimes quite wrong) IP addresses it guesses…


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Re: [Evolution] Outlook Groups

2022-08-17 Thread Milan Crha via evolution-list
On Tue, 2022-08-16 at 17:24 +0200, David Roche via evolution-list
wrote:
> Can someone please confirm if it is possible to connect
> Outlook exchange groups to Evolution ?

Hi,
I'm not sure of the right meaning of the 'group' here, maybe you mean
https://gitlab.gnome.org/GNOME/evolution-ews/-/issues/142

Read its latest comment:
https://gitlab.gnome.org/GNOME/evolution-ews/-/issues/142#note_1529058
for some information.

Otherwise, you can connect/open any address book/calendar/folder/...
with the evolution-ews when you use File->Subscribe to folder of other
EWS user, as long as you know the user whom owns the folder and you
also know the folder ID. Some distinguished folder names can be used as
well. Of course, it works only if you have permissions to at least read
the folder content on the server.

Bye,
Milan

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Re: [Evolution] Evolution and gmail

2022-08-17 Thread Patrick O'Callaghan
On Wed, 2022-08-17 at 00:52 +0200, Jaroslaw Rafa via evolution-list
wrote:
> Dnia 16.08.2022 o godz. 23:24:37 Patrick O'Callaghan pisze:
> > 
> > Spam filtering is under the control of the receiver. It's trivial
> > to
> > tell Gmail that a message is not spam, and it will learn that for
> > future reference.
> 
> It does not. Myself I have two test accounts on Gmail, I send myself
> mail
> from time to time to these accounts, mark it as non-spam, yet next
> messages
> are again going to spam.
> 
> > You might also look at *why* your mail is being
> > classified as spam. Could it be that some people have marked it as
> > such?
> 
> All this has been already tried and discussed countless times. I have
> written a lot about this on "mailop" mailing list. It is going on for
> more
> that two years now. I don't want to start this discussion again here,
> as it
> is just pointless

I agree. There's clearly a complex situation here and I don't pretend
to understand it.

> > The number of false positives I've had is so small that I actually
> > never bother to check my spam folder any more as there's no point.
> 
> And that's the problem for people like me who get "punished" for
> don't-know-what by Google - people like you, who believe that "Google
> just
> can't be wrong", so there's no sense in checking the spam folder.

I didn't (and don't) say that Google can't be wrong. Clearly it's using
heuristics for spam filtering, and heuristics are never perfect. What I
do say is that *in my experience* it's not worth checking the spam
folder because *for me* it actually does work very well. IOW the
probability of a false positive is so low that I have decided that it's
not worth the effort.

It's perhaps worth remembering that email is "unreliable" (in the sense
that it's not guaranteed to be reliable). We often forget this because
in practice it actually is very reliable. Until it isn't. Checking or
not checking a spam folder should be seen in that context.

poc

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[Evolution] Outlook Groups

2022-08-17 Thread David Roche via evolution-list
Hi Team,
I have recently moved from windows to Ubuntu and I have configured my Microsoft 
exchange work email on Evolution and I have all my emails and calendars 
connected. However I need to also be able to see my Outlook groups and I cant 
seem to be able to connect them to Evolution. Can someone please confirm if it 
is possible to connect Outlook exchange groups to Evolution ?
Version of Evolution: 3.44.4 (by Flathub.org)

Kind Regards,
David___
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