Re: [mailop] Google and Spam detection

On Fri, 24 Jul 2020 18:45:19 +0200, Ralph Seichter via mailop wrote: >So please, give us Hetzner customers a break if we're doing things The >Right Way(TM). I don't block the list of Hetzner prefixes I have amassed, because the individual senders do it for me. 100% of all Hetzner IP traffic

Re: [mailop] Google and Spam detection

-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Fri, 2020-07-24 at 22:08 -0400, John Levine via mailop wrote: > Depends whether you consider Comcast to be big. They sure have a lot > of customers. If five-ten-sg.com wants to deliver to comcast.net, my publishing tlsa records for

Re: [mailop] Google and Spam detection

In article <20200724230322.ga531...@fullerene.field.pennock-tech.net> you write: >On 2020-07-24 at 15:29 -0700, Luis E. Muñoz wrote: >> I would push DANE a bit up in the list. DNSSEC can be a drag to some, but it >> is really the way to go in terms of decentralization of encryption. It is >> also

Re: [mailop] Google and Spam detection

In article <83ee71f6-7b9c-4efb-e101-f28705a6c...@elementality.org>, G. Miliotis via mailop wrote: >> I see no difference in IPv4 vs IPv6. You do need to have rDNS properly >> setup and we use SPF and DKIM, no DMARC. IPs from a cloud provider to >> boot. Good deliverability. >> >When I tried

Re: [mailop] Google and Spam detection

In article <0316fd32-617a-e4a2-9a70-72571dd37...@elementality.org> you write: > >On 24/7/2020 7:13 μ.μ., John Levine via mailop wrote: >> In article <20200724160354.gg9...@ikki.ethgen.ch> you write: >>> I think it might happen that in past hetzner (my hosting provider) ... >> Oh, there's your

Re: [mailop] Google and Spam detection

Thanks for this. I'm going to link to it from Spam Resource. Cheers, Al Iverson On Fri, Jul 24, 2020 at 4:40 PM Phil Pennock via mailop wrote: > > On 2020-07-24 at 15:40 -0400, Phil Pennock via mailop wrote: > [ snip lots ] > > I was asked by someone with a link to a mailing-list archive entry

Re: [mailop] Google and Spam detection

Hi, Recently, I heard often that my mails to friends on gmail ended up in spam. Recently I moved my domain to a VPS at Netcup and all reputation at Google seem to be broken. Last week I sent a G-Suite user a cancellation of an appointment - which was discussed before via mail - and the

Re: [mailop] Google and Spam detection

On 2020-07-24 at 15:29 -0700, Luis E. Muñoz wrote: > I would push DANE a bit up in the list. DNSSEC can be a drag to some, but it > is really the way to go in terms of decentralization of encryption. It is > also a good practice. Absolutely, but the context here was sending to Gmail, who don't

Re: [mailop] Google and Spam detection

I would push DANE a bit up in the list. DNSSEC can be a drag to some, but it is really the way to go in terms of decentralization of encryption. It is also a good practice. On 24 Jul 2020, at 12:40, Phil Pennock via mailop wrote: * MTA-STS webserver with HTTPS from the same CA, and the

Re: [mailop] Google and Spam detection

On 2020-07-24 at 15:40 -0400, Phil Pennock via mailop wrote: [ snip lots ] I was asked by someone with a link to a mailing-list archive entry to turn this into a blog-post which could be cited, so I've done so; there are some additions of RFC and website cross-references which might make it

Re: [mailop] [EXTERNAL] Re: Microsoft giving Server Busy errors for M365

The IP is being throttled… for what exactly, I can’t say. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Open a ticket for Hotmail ? From: mailop On Behalf Of Faisal Misle via mailop

[mailop] [INFORMATION] Snapshot of Spamauditor's reports this week

Hi All, Going into another weekend, and there is a lot of activity out there. * Amazon EC2 spam on the increase again * SendGrid Abuse still ongoing * Similar patterns emerging in other ESP's * Increase in VPS activation for malware Spam * Cutwail increases on Chinese IP Space * Emotet

Re: [mailop] Microsoft giving Server Busy errors for M365

We usually route them through our TAM and our Premier team when I worked at Rackspace. Don’t think there’s a place for ISPs Best, Faisal PGP Key: [C8FD029B](https://pgp.faisal.ec/) On Fri, Jul 24, 2020 at 3:37 PM, Kevin A. McGrail via mailop wrote: > Microsoft's anti-spam seems to be

[mailop] Microsoft giving Server Busy errors for M365

Microsoft's anti-spam seems to be misfiring again but for once it is on the m365 paid customer.  Seeing deferred messages like dsn=4.0.0, stat=Deferred: 451 4.7.500 Server busy. Please try again later from [38.124.232.13]. (S77714) [CO1NAM04FT003.eop-NAM04.prod.protection.outlook.com] Anyone know

[mailop] Google G.Suite Mail admin

Would you please contact me off list.  I'm having a strange deliverability problem to a specific user from a specific host and having a weird problem. I have admin access to both ends of the conversation.  Something is wrong in the middle and I think it's on your side of the middle.  It's very

Re: [mailop] Google and Spam detection

On 2020-07-24 at 09:54 +0100, Klaus Ethgen via mailop wrote: > As my mails are always plain text, signed by PGP and coming from a mail > server that I can assure is never sending spam or even high amount of > mails, that is not in any blacklist, I wonder, what makes it google to > believe that my

Re: [mailop] Google and Spam detection

Also, starting in this past week, Google (must have) changed their spam-detecting algorithm, as we are seeing that suddenly fully 50% of any day's load in the spam folder are false positives (i.e. has actually been legitimate email, even email that has a months - or even years - long history of

Re: [mailop] Google and Spam detection

You're overthinking it. Create a 2048-bit RSA key pair (support for a longer key is not clear at this time). How to fit the public key into DNS when it's longer than 255 chars? Here's how: https://serverfault.com/questions/255580/how-do-i-enter-a-strong-long-dkim-key-into-dns Very commonly done.

Re: [mailop] Google and Spam detection

On 24/7/2020 8:12 μ.μ., Luis E. Muñoz via mailop wrote: On 24 Jul 2020, at 7:48, Jaroslaw Rafa via mailop wrote: Not true, I was (and am) always delivering mail via IPv4 and had mentioned problems (and also other people whose complaints I have read don't use IPv6 as well). I see no

Re: [mailop] Google and Spam detection

On 24 Jul 2020, at 7:48, Jaroslaw Rafa via mailop wrote: Not true, I was (and am) always delivering mail via IPv4 and had mentioned problems (and also other people whose complaints I have read don't use IPv6 as well). I see no difference in IPv4 vs IPv6. You do need to have rDNS properly

Re: [mailop] Google and Spam detection

On 24/7/2020 7:13 μ.μ., John Levine via mailop wrote: In article <20200724160354.gg9...@ikki.ethgen.ch> you write: I think it might happen that in past hetzner (my hosting provider) ... Oh, there's your problem. Hetzner's network spews garbage. I don't accept any mail from it at all.

Re: [mailop] Google and Spam detection

> > Oh, there's your problem. Hetzner's network spews garbage. I don't > accept any mail from it at all. I'm willing to bet that almost all large cheaper providers have issues, at least from what I've seen myself. This nice tool was just on the FrontPage of Hacker News:

Re: [mailop] Google and Spam detection

Hi, On 24.07.20 18:09, Marcel Becker via mailop wrote: > Not saying that it's the case here (what do I know about Google's spam > filters or your friends...) but sometimes the cause for this is on the > receiving end and quite low tech. Ie: We have quite a few cases where > users mark mail from

Re: [mailop] Google and Spam detection

On Fri, 2020-07-24 at 12:13 -0400, John Levine via mailop wrote: > In article <20200724160354.gg9...@ikki.ethgen.ch> you write: > > I think it might happen that in past hetzner (my hosting provider) ... > > Oh, there's your problem. Hetzner's network spews garbage. I don'taccept any > mail from

Re: [mailop] Google and Spam detection

In article <20200724160354.gg9...@ikki.ethgen.ch> you write: >I think it might happen that in past hetzner (my hosting provider) ... Oh, there's your problem. Hetzner's network spews garbage. I don't accept any mail from it at all. R's, John ___

Re: [mailop] BIMI pilot @ Google

On 7/24/20 2:51 AM, Christian de Larrinaga via mailop wrote: > All emails on this list are showing with red DKIM signed boxes That's because this list alters the message From header and body without re-signing it. (If the list re-signed outgoing Mailman messages with a "mailop.org" DKIM

Re: [mailop] BIMI pilot @ Google

In article <7ed4f483-3d83-e6aa-b6f6-07f6f283e...@lightmeter.io> you write: >This is the concerning part -- it seems that BIMI will disadvantage smaller / >independent mail networks by introducing a new barrier to having >their valid mail treated equally to their large corporate peers. Having

Re: [mailop] Google and Spam detection

On Fri, Jul 24, 2020 at 2:02 AM Klaus Ethgen via mailop wrote: > Recently, I heard often that my mails to friends on gmail ended up in > spam. > > Not saying that it's the case here (what do I know about Google's spam filters or your friends...) but sometimes the cause for this is on the

Re: [mailop] Google and Spam detection

Am Fr den 24. Jul 2020 um 15:51 schrieb Michael Peddemors via mailop: > We have found that the FIRST thing you need to do is put a sane SPF record > in place for IPv4 traffic.. This has resolved the issue for most of the > cases we have seen for clients. Not the issue. The SPF is fully correct.

Re: [mailop] Google and Spam detection

Hi, Am Fr den 24. Jul 2020 um 14:20 schrieb Faisal Misle via mailop: > I also strongly recommend you start signing with DKIM. You may not have had a > use for it, but now you do. I did it now and fallen in all misstakes one could do. - First I tried out a ed25519 key. That worked very fast but

Re: [mailop] Google and Spam detection

Am Fr den 24. Jul 2020 um 15:34 schrieb Thomas Hochstein via mailop: > In my experience, most problems concerning mail delivery > to Google disappear as soon as you deliver mail over ipv4 > (instead of ipv6). I knew about that issue. But my mail server is still IPv4 only so no issue for me.

Re: [mailop] Google and Spam detection

Dnia 24.07.2020 o godz. 16:34:51 Thomas Hochstein via mailop pisze: > > In my experience, most problems concerning mail delivery > to Google disappear as soon as you deliver mail over ipv4 > (instead of ipv6). Not true, I was (and am) always delivering mail via IPv4 and had mentioned problems

Re: [mailop] Google and Spam detection

This thread pops up every couple months. We have found that the FIRST thing you need to do is put a sane SPF record in place for IPv4 traffic.. This has resolved the issue for most of the cases we have seen for clients. On 2020-07-24 7:44 a.m., Al Iverson via mailop wrote: This is all

Re: [mailop] Google and Spam detection

This is all good advice, primarily, try IPv4 + DKIM. The contact process for Gmail is this form: https://support.google.com/mail/contact/bulk_send_new Though it is geared toward bulk senders, it might be worth trying. Also, encourage your friends to provide feedback to Gmail by clicking on "not

Re: [mailop] Google and Spam detection

Am 2020-07-24 10:54 Klaus Ethgen via mailop wrote: Recently, I heard often that my mails to friends on gmail ended up in spam. [...] Is there any I can do to prevent google to hide the mails from my friends? In my experience, most problems concerning mail delivery to Google disappear as

Re: [mailop] Google and Spam detection

I also strongly recommend you start signing with DKIM. You may not have had a use for it, but now you do. Best, Faisal PGP Key: [C8FD029B](https://pgp.faisal.ec/) On Fri, Jul 24, 2020 at 4:45 AM, Andrew C Aitchison via mailop wrote: > On Fri, 24 Jul 2020, Klaus Ethgen via mailop wrote: > >>

Re: [mailop] BIMI pilot @ Google

Hi, the whole VMC process is still being developed and tested (that's what the pilot is for). I'd say most of the BIMI group members if not all understand that the VMC needs to be affordable. BIMI has not been developed for the fortune 100 but for all brands. Jakub Olexa Founder & CEO E-mail:

Re: [mailop] BIMI pilot @ Google

Le mer. 22 juil. 2020 à 14:50, Sidsel Jensen via mailop a écrit : > I read today at > https://cloud.google.com/blog/products/g-suite/gsuite-security-updates-for-gmail-meet-chat-and-admin > - that Google/Gmail is starting a BIMI pilot. > I hope Google will share the results of the pilot -

Re: [mailop] BIMI pilot @ Google

On 23/07/2020 23:21, Nick via mailop wrote: > On 2020-07-23 21:00 BST, Brandon Long via mailop wrote: >> If you had a workable idea for how to do this without a new authority >> and money changing hands, I'm sure everyone involved would love to >> hear about it> I'm not as sure as you are. To be

Re: [mailop] BIMI pilot @ Google

> S/MIME offers more traditional digital signatures using CA signed > certificates. I would > not call that widely deployed, I certainly have never seen it from any > marketing/transactional > mail, maybe once or twice from a medical insurance company. Support in mail > clients is > fairly

Re: [mailop] Google and Spam detection

Dnia 24.07.2020 o godz. 09:54:55 Klaus Ethgen via mailop pisze: > > Recently, I heard often that my mails to friends on gmail ended up in > spam. > > As my mails are always plain text, signed by PGP and coming from a mail > server that I can assure is never sending spam or even high amount of >

Re: [mailop] BIMI pilot @ Google

On 23/07/2020 20:06, Andrew C Aitchison via mailop wrote: Are there that many IMAP based mail clients which feature contact avatars? Apparently there is a Thunderbird addon 'dkim verify' which uses the favicon of the signing domain:

Re: [mailop] Google and Spam detection

On Fri, Jul 24, 2020 at 2:35 PM Klaus Ethgen via mailop wrote: > Hi folks, > > Recently, I heard often that my mails to friends on gmail ended up in > spam. > > As my mails are always plain text, signed by PGP and coming from a mail > server that I can assure is never sending spam or even high

Re: [mailop] Google and Spam detection

On Fri, 24 Jul 2020, Klaus Ethgen via mailop wrote: Hi folks, Recently, I heard often that my mails to friends on gmail ended up in spam. As my mails are always plain text, signed by PGP and coming from a mail server that I can assure is never sending spam or even high amount of mails, that

[mailop] Google and Spam detection

Hi folks, Recently, I heard often that my mails to friends on gmail ended up in spam. As my mails are always plain text, signed by PGP and coming from a mail server that I can assure is never sending spam or even high amount of mails, that is not in any blacklist, I wonder, what makes it google