Re: [mailop] DMARC and pure SPF

Hi, Dňa Mon, 4 Oct 2021 21:15:25 +0200 Alessandro Vesely via mailop napísal: > That's if exim can lookup dnswl and accept spf=fail for whitelisted > IPs. Ah, i understand now, thanks. I think about it too awkwardly ;-) regards -- Slavko http://slavino.sk pgpF0bsgW4OUX.pgp Description:

Re: [mailop] DMARC and pure SPF

Hi, thanks for all answers, all was useful. Note: I am talking (asking) about incoming emails, not about my domain. Dňa Mon, 4 Oct 2021 14:15:03 +0200 Alessandro Vesely via mailop napísal: > You can consider either the union or the intersection. OK, i read suggested 6.7 and 10.1 sections of

[mailop] DMARC and pure SPF

Hi, please i want to ask how to deal with pure SPF when DMARC is in use. I understand how to deal with SPF within DMARC checks and i do not want to diskuss this. But what if domain owner specify eg. -all (or ~all) and SPF check against SMTP.From (or EHLO) fails (or softfails) with this rule?

Re: [mailop] rua report rejected by microsoft

Hi, Dňa Tue, 28 Sep 2021 17:27:48 + Faisal Misle via mailop napísal: > That usually means the address does not exist in Office 365. > Thanks to both (i got one offlist response too). Reading here about problems with mail delivery to microsoft, i was not sure if it is not my mistake, and

[mailop] rua report rejected by microsoft

Hi, my rua report was rejected at RCPT stage with: SMTP error from remote mail server after RCPT TO:: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [DB5EUR01FT030.eop-EUR01.prod.protection.outlook.com] I search the Internet, but i found multiple similar posts,

Re: [mailop] Whoisand GDPR - was Re: Got any users in Texas? Better turn off your spam filters by Dec 2

Ahoj, Dňa Mon, 27 Sep 2021 08:04:18 -0700 Michael Peddemors via mailop napísal: > Yes, an individual probably SHOULD be able to opt out from whois IF > THEY WANT, however if if they expect people to allow traffic from > their domain, they should understand that transparency is important, >

Re: [mailop] Got any users in Texas? Better turn off your spam filters by Dec 2

Ahoj, Dňa Sat, 25 Sep 2021 12:11:19 +0200 Alessandro Vesely via mailop napísal: > On Fri 24/Sep/2021 19:55:51 +0200 Slavko Via Mailop wrote: > > Good analogy, as street is as public as the Internet is. You do not > > answer if are you publishing your identity on the street. >

Re: [mailop] Got any users in Texas? Better turn off your spam filters by Dec 2

Ahoj, Dňa Fri, 24 Sep 2021 12:36:23 -0400 Bill Cole via mailop napísal: > On 2021-09-24 at 11:50:24 UTC-0400 (Fri, 24 Sep 2021 17:50:24 +0200) > Slavko via mailop > is rumored to have said: > > > While i cannot comment mentioned OVH domain, i will ask, why anyone > >

Re: [mailop] Got any users in Texas? Better turn off your spam filters by Dec 2

Ahoj, Dňa Fri, 24 Sep 2021 14:45:08 + Steven Champeon via mailop napísal: > Looking up the domain in Google gives you the parent organization, as > well as a link to a French Wikipedia page containing their address, > leadership, history, URL, etc. so the net effect is that GDPR >

Re: [mailop] Got any users in Texas? Better turn off your spam filters by Dec 2

Hi, Dňa 24. 9. o 11:40 Jaroslaw Rafa via mailop napísal(a): > This *is* a law that "helps protect the innocent victims". Yes, it is > sometimes poorly (or intentionally wrongly) implemented, such an abusing the > "legitimate interest" concept included in the GDPR by many advertisers to > still

Re: [mailop] How to detect fraud login in POP IMAP or SMTP?

Hi, Dňa Tue, 21 Sep 2021 17:08:54 +0200 Alessio Cecchi via mailop napísal: > For "do something" I means: > > - too many logins from different country > - too many fast login You do not tell what IMAP/POP3 server are you using, but eg. with dovecot you can use/apply these (and more) policies

Re: [mailop] what is the PSL, was Gmail putting messages to spam

Hi, Dňa Tue, 21 Sep 2021 18:30:46 +0200 Alexey Shpakovsky via mailop napísal: > On Tue, September 21, 2021 17:39, Slavko via mailop wrote: > > > I am curious, do you block whole gmail.com? > > No, but at one time I was pretty close to blocking yahoo, having 0 > friend

Re: [mailop] what is the PSL, was Gmail putting messages to spam

Hi, Dňa Tue, 21 Sep 2021 15:02:37 +0200 Alexey Shpakovsky via mailop napísal: > However, we live in an imperfect world, and if some email provider > would declare themselves "big" but offer unlimited number of free > email addresses for spammers - then everyone else will likely just > block the

Re: [mailop] Google and IPv6

Ahoj, Dňa Mon, 13 Sep 2021 22:46:47 +0100 Chris Malton via mailop napísal: > Last I looked, HE tunnels block TCP port 25 unless explicitly > requested to be unblocked. > > Looks to still be the case from their FAQ - > https://ipv6.he.net/certification/faq.php > Once again thanks, it is

Re: [mailop] Google and IPv6

Hi, Dňa Mon, 13 Sep 2021 14:41:34 -0700 Brandon Long via mailop napísal: > I did get the IP offlist, and my initial investigation didn't find it > on any block lists. Thanks for investigation, it was not google fail. I am sorry for wasting your time. regards -- Slavko http://slavino.sk

Re: [mailop] Google and IPv6, was Recommendation for inbox provider?

Dňa 13. septembra 2021 21:46:47 UTC používateľ Chris Malton napísal: > >Last I looked, HE tunnels block TCP port 25 unless explicitly requested >to be unblocked. Oh, many thanks for it. I miss or forgot this. I am sorry that i blame google ;-) I didn't care about this for long time, as i had

Re: [mailop] Google and IPv6, was Recommendation for inbox provider?

Dňa 9. septembra 2021 17:44:14 UTC používateľ Brandon Long via mailop napísal: > >I can't do any investigation without knowing your IP address or net. > Hi, I send you IPs offlist, did you got it? regards Slavko ___ mailop mailing list

Re: [mailop] Google and IPv6, was Recommendation for inbox provider?

Hi, Dňa 8. 9. o 22:44 Brandon Long via mailop napísal(a): > Hmm, blocking connections is highly unusual for us, as it doesn't provide > any feedback, usually we respond with a 5xx banner or to HELO. I would > check to see if you can reach www.google.com on IPv6 from the same box, and > if you

Re: [mailop] Google and IPv6, was Recommendation for inbox provider?

Dňa 7. 9. o 20:20 John Levine via mailop napísal(a): > It appears that John Capo via mailop said: >> The only IPv6 issues I have seen, other than transit only via HE, is >> delivering to Google. Google seems to assume that mail via IPv6 is spam. >> The same mail flow via IPv4 is OK with

Re: [mailop] So uh... Zoom/Sendgrid... How's that webinar spam investigation coming?

Hi, Dňa Sat, 07 Aug 2021 19:15:57 +1000 Noel Butler via mailop napísal: > So you think it's better to have the potential to inconvenience > > over the likelihood of a dozen or so people who may have loss of a > legit mail? > > I'm not one to bow to the tiny minorities, also, T's are most

Re: [mailop] SMTP AUTH harassment

Hi, Dňa Sun, 18 Jul 2021 13:56:18 -0400 Bill Cole via mailop napísal: > > The only usable way seems to be GoiIP blocking countries, but i > > afraid that it is wrong way. > > Why? Hard to describe it in English for me, but i will try. I consider blocking access by country as discriminating

Re: [mailop] SMTP AUTH harassment

Hi, Dňa Mon, 19 Jul 2021 00:34:40 +0100 Tim Bray via mailop napísal: > I didn't really get on with fail2ban.  I do have it running, but it > pulls very little for exim. > > I did write my own script to follow the exim mainlog with a bunch of > regexp and drop IP addresses into ipset.   (task

Re: [mailop] SMTP AUTH harassment

Hi, Dňa Sun, 18 Jul 2021 06:54:07 +0200 Slavko via mailop napísal: > To see from where they come i did simple Python(3) script, which reads > list of IP from stdin and prints some stats based on GeoLite2 DBs. > When i feed it with IPs parsed from today dovecot's fail2ban log i > can

Re: [mailop] SMTP AUTH harassment

Hi, Dňa 17 Jul 2021 20:41:14 -0400 John Levine via mailop napísal: > It appears that Thomas Hochstein via mailop said: > About 12,000 here. It's a botnet, it's not targeting you any more > than any other random server it can find, and I don't know of any way > to block it. You can use

[mailop] SMTP AUTH harassment

Hi all! I registered here only in recent time and this is my first post here (i am sorry, my English is not best)... In recent days i bother with many login attempt to my personal mail server, which i use for some years. I meet distributed dictionary attack to IMAP server which was partially

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