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<beneroth>
Regenaxer, I have an idea what could be a possible cause of the ML email problems
<beneroth>
software-lab.de has no SPF record. well possible that makes receiving mail servers putting the emails right into junk. (e.g. google does that, as I know from other mail stuff)
<Regenaxer>
oh, I see. I don't know
<beneroth>
SFP is a TXT entry in DSN specifying the servers (domain and/or IP's) which are legitimatized to send emails from that sender domain. like a whitelist, used by receiving email servers to find fake senders & spam
<beneroth>
I can help you set this up, its easy.
<Regenaxer>
But most of the time it works
<beneroth>
yeah
<Regenaxer>
and in that case even I did not receive
<Regenaxer>
despite it was sent from here
<beneroth>
might there be a incoming spam filter from your provider?
<Regenaxer>
Probably that toi
<Regenaxer>
too
<beneroth>
might be well that spam filter is trashing mail because of lack of SPF + some pseudo-random content analysis bullshit score
<beneroth>
many receiving email servers / spam filter middleware somewhere in between treat lack of SPF as spam-suspicious
<beneroth>
Regenaxer, create a TXT for software-lab.de with the following content (without quotes): "v=spf1 a:software-lab.de -all"
<Regenaxer>
I have no control of software-lab.de
<Regenaxer>
it is not my mail server
<beneroth>
if you have additional servers which send emails with sender @software-lab.de, they should be listed too, either with a:-prefix (a-entry, domain) or ip4:-prefix / ip6:-prefix
<beneroth>
DNS
<beneroth>
you should have control of the DNS server of software-lab.de
<beneroth>
no change in mail server required
<beneroth>
rzone.de ?
<beneroth>
do you have an account there?
<Regenaxer>
hmm, how can I control the DNS server of Strato?
<Regenaxer>
no
<Regenaxer>
only web space
<beneroth>
you own the domain, don't you?
<Regenaxer>
I would trust in strato here
<Regenaxer>
yes
<beneroth>
well the lack of SPF-entry is obvious and I know this topic
<beneroth>
there must be a way for you to configure DNS. how would you add a subdomain?
<beneroth>
some admin panel from strato you can access with your strato account
<beneroth>
otherwise make a support request, that they create that TXT entry
<Regenaxer>
I can't add a subdomain
<Regenaxer>
only a hand full of e-mail addresses
<beneroth>
wtf.. either this is a supercheap superestricted hosting or I don't know 0.o
<beneroth>
make a support ticket
<beneroth>
I'm sure they will create it
<beneroth>
otherwise you should consider getting hosted by me.. WTF :P
<Regenaxer>
I don't know, I think I have it since late 1990s
<beneroth>
yeah and config never got updated since then :D
<beneroth>
SPF didn't exist back than, afaik
<Regenaxer>
no idea, I never cared ;)
<beneroth>
and practically-demanded it only became a few years back
<beneroth>
I have over 100 small hosting customers so I know ;-)
<Regenaxer>
hmm, but Strato works on it permanently
<Regenaxer>
I think it is well maintained
<beneroth>
yes, but they will not change your config without you asking. it's extra work and not needed for their part of the operations.
<beneroth>
I'm absolutely sure.
<Regenaxer>
They change often, e.g. spam filters
<Regenaxer>
I complained once
<Regenaxer>
but they said they can't do anything, iy is hard-coded
<beneroth>
yeah well you can configure this parts at least somewhat
<Regenaxer>
I complained because my own mails were filterer if they contained evil addresses in log files
<Regenaxer>
I check it
<beneroth>
outoging spamfilter or ingoing spamfilter?
<Regenaxer>
The fi
<Regenaxer>
the filters are not under user control
<beneroth>
hosters usually have both active, to protect themselves from incompetent customers, hacked email accounts and hacked customer websites
<Regenaxer>
in the GUI
<beneroth>
yes, that can well be
<beneroth>
but I'm sure some strato people have a GUI
<beneroth>
which might only limited configurations, depending on what blackbox product they just bought and use
<beneroth>
anyways that is complete separate from the SPF DNS topic :)
<beneroth>
write them a support ticket to add the SPF entry I mentioned please.
<beneroth>
might not solve the email problem entirely, but should certainly improve it
<beneroth>
ok? else lets have a jitsi chat about the topic later (rather tomorrow, I think).
<Regenaxer>
I'll check Strato again
<beneroth>
thx
<Regenaxer>
No, thank you!
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<beneroth>
the ML problems look like being caused by overly aggressive spamfiltering, not by transport problems. transport problems would result in a email back to you.
<beneroth>
spamfilters don't do that, obviously, when they assume the sender to be a evil spammer. which they often assume without any logical basis, but based on some technical details like SPF and some random word analysis
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<Regenaxer>
ok
<beneroth>
maybe SPF is a setting you can enable in the email server settings (next to where you add a new email address). maybe not. but don't bother searching to long, if you don't find it, just write a support request.
<Regenaxer>
yeah
<Regenaxer>
Is it really Strato wo is responsible for the SPF record?
<Regenaxer>
Cause I use exim to send the mail
<Regenaxer>
Strato is used as a smarthost
<Regenaxer>
So can it be the exim config?
<beneroth>
SFP is DNS entry
<Regenaxer>
ah, yes
<beneroth>
done when operating a mailserver, otherwise not required
<beneroth>
so responsible is the email server admin
<Regenaxer>
And it should be visible in the mail header?
<beneroth>
no
<beneroth>
well possible that a spamfilter/incoming server puts a note into the mail header about SPF check passed or not
<Regenaxer>
I mean, how you know that SPF is missing?
<Regenaxer>
in the mailing list
<beneroth>
receiving email server: sees which server sent it the email (the tcp connection)
<beneroth>
also sees the FROM domain in the SMTP (not same as the FROM in the email header, though they should be the same normally)
<beneroth>
receiving email server looks up SPF entry of from domain (so software-lab.de) and checks if the IP it received the email from (the SMTP server) is valid according to the whitelist in the domains SPF entry
<beneroth>
ah
<beneroth>
nslookup -q=txt software-lab.de
<beneroth>
looking up TXT entry for your domain
<Regenaxer>
ah
<beneroth>
ooh
<beneroth>
I just had a look at email header
<beneroth>
email is sent by server 7fach.de, not software-lab.de
<beneroth>
so you should put 7fach.de into the SPF
<beneroth>
= instruction for receiving email servers (or spamfilters) to check if they got the mail from IP of software-lab.de or 7fach.de otherwise handle it as fake sender/spam
<Regenaxer>
For 7fach.de I have control
<beneroth>
yes, but sender domain is software-lab.de
<beneroth>
so DNS entry on software-lab.de it must be
<Regenaxer>
yeah
<beneroth>
not stratos responsibility
<Regenaxer>
smarthost
<Regenaxer>
7fach logs into Strato to send
<Regenaxer>
DNS entry on software-lab.de *is* Strato
<Regenaxer>
So Strato's fault?
<Regenaxer>
(confusing)
<Regenaxer>
So it is not "v=spf1 a:software-lab.de a:7fach.de -all"
<Regenaxer>
but "v=spf1 a:7fach.de -all"
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<beneroth>
Regenaxer, sorry was busy
<Regenaxer>
No problem
<Regenaxer>
Me too
<beneroth>
you never send email from softwware-lab.de server ?
<beneroth>
including admin monitoring mails to yourself?
<Regenaxer>
Not directly
<Regenaxer>
Sending via mutt or exim
<beneroth>
yeah but via which "physical" smtp-server
<Regenaxer>
Using software-lab smtp server
<beneroth>
yep that one
<Regenaxer>
T
<Regenaxer>
smtp.strato.de port 465
<beneroth>
"v=spf1 a:7fach.de -all" allows ONLY the server (IP) 7fach.de to send emails with sender domain @software-lab.de