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Re: LF: Re: problems with mails to the list?

To: [email protected]org
Subject: Re: LF: Re: problems with mails to the list?
From: Jacek Lipkowski <[email protected]>
Date: Tue, 21 Mar 2017 10:17:38 +0100 (CET)
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
User-agent: Alpine 2.11 (DEB 23 2013-08-11)
Thanks Alan,

Yes i'm aware that many people don't know how smtp works, and that ISPs break it badly while trying to fight spam (btw this is why i run my smtp servers, some of the things isps do are totally unacceptable and uncontrollable by the end user).
This is why i asked for info from people that are getting bounces, and
that didn't have problems previously but now have them (maybe i didn't
write this clearly enough). The list has been quieter lately. I know of a
user that started to have problems recently, and bounces related to tls
problems (probably related to people being more keen on upgrading openssl
recently).
VY 73

Jacek / SQ5BPF

On Tue, 21 Mar 2017, Alan Melia wrote:

Date: Tue, 21 Mar 2017 00:13:29 -0000
From: Alan Melia <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: LF: Re: problems with mails to the list?

Jacek, there are a number of possible reasons why messages do not "seem" to go through the mailing list. I write seem in quotes because many do not understand the route the messages take. Also I remind that not receiving your posting back is not proof it did not arrive or that other members did not get it. The situation is massively complicated by the various ISP servers apply their own rules to try to reduce spam. Bounces are generally not received from this group I believe. And undelivered message report is also dumped. One reason is the obvious one of the ease of producing a "ping-pong" effect.
There is little problem with UK originated messages though one or two even
have problems here. The most often reported losses are from non-UK
originators. In many cases we in the UK see the distribution but the
originator does not get his posting back. This is aften a function of the ISP
who it would seem regards messages to the originator are likely to be spam. I
have several cases of this happening with specific ISPs on Yahoo Groups. Some
globe-trotting users like Laurence KL7L were unable to post from China. We
think this was route blacklisting but having no access to admin we have no
way of confirming.
All I can say is use text (not HTML) which can confuse the parser, keep
messages and particularly attachments below about 200kB (I can't now remember
the actual limit....it may be more than this but is certainly not exceeding
500kB).
Do not leave the subject line blank if there is an attachment, because this
trips up the parser.
Make sure you use the exact posting address you subscribed with. I believe
gmail and googlemail are regarded as the same but they are two separate
addresses to an ancient list-server like this. If the problem continues I
suggest re-subscribing with a different address.
Now there have been significant delays reported on several lists in the last
few days. Yahoo has be delaying occasional messages 3 or 4 days. This can be
due to congestion during DDoS attacks.
As I said I have no admin access to this server but if the member having
problems would like to copy me in on postings to the group, I can check
arrival at least.
Alan
G3NYK
Yahoo Group moderator


----- Original Message ----- From: "Jacek Lipkowski" <[email protected]>
To: <[email protected]>
Sent: Monday, March 20, 2017 10:12 PM
Subject: LF: problems with mails to the list?


does anyone have problems sending mail to this list? if so could you please send me the bounced message that you got (off list of course)?
one of the members of this list wrote me that he has problems having his
emails accepted since a few days because of problems negotiating tls (so
far we don't know if it's a problem with this list's email servers, or his
provider's email servers. both seem to do tls 1.2 without problem). maybe
this is the reason why this list has less posts lately (summer propagation
on lf/mf might be another reason).
btw i have never had any problems with emails bouncing or being delayed,
but some people reported it in the past.
VY 73

Jacek / SQ5BPF







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