Re: [Evolution] Spam error message

["Bradley G. Ward" <barnoo bigpond com>]

Thanks for the replies.

What I don't understand is if its the ISP then why does it allow me to 
send a forwarded email with no text from my ms outlook account? 
Likewise, I can do the same with Evolution from my wife's Arch system.

Wouldn't the same rule have applied to to all pcs going via that 
provider?




------ Original Message ------
From: "Pete Biggs" <pete biggs org uk>
To: evolution-list gnome org
Sent: Wednesday, 22 May, 2019 At 6:58 AM
Subject: Re: [Evolution] Spam error message


> It seems to be ok now if I pust just one character in the text area of
> the forwarded email.  No idea why, but, blind forwarding seems to be
> the problem.

Because the detection of spam works on certain rules concerning the
make up of the message and each of those rules has a certain number of
points that are all added together. When a message reaches a points
threshold, that message is deemed to be spam.

One of the rules that your SMTP provider gives a high number of points
to appears to be "the content of the message is only a forwarded
message without any other content".  Adding a single character means
that particular rule doesn't apply. (The rationale is that forwarding
without added content is possibly an automated process, adding some
content implies human interaction, so less likely to be spam.)


>  It is not my provider as suggested by someone else and I
> never thought that was the issue.

Why not?  What else would give that message? It is definitely a
rejection message from the SMTP server. If you don't believe me, run
Evolution with the SMTP debugging turned on and you will be able to see
where your providers SMTP server gives that error message.

>   I just don't know why it has started
> doing this.

Because they changed something.  The weighting given to each spam rule
is constantly being re-evaluated - for an ISP it is likely to do with
complaints from customers that too much spam is getting through, so
they tweak things.  It may also be that some other factor has meant an
additional spam score - an RBL entry somewhere possibly - that has
taken your mail over the threshold. (If the threshold was, say, '5',
previously your forwarded messages might have been getting a score of
4.95, a relatively minor change of 0.05 in a spam weighting will result
in the mail now crossing the threshold.)

> I frequently blind forward msgs between my laptops so they are for my
> info only.

If you frequently do this, then you would be much better of using IMAP
and keeping the mail on a server so all your devices see the same
mailstore.

P.


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