Re: [mailop] Gmail spam scoring via IPv6 different than IPv4?

2022-08-15 Thread Jesse Hathaway via mailop
Thanks everyone for the advice. For the immediate future I am going to continue to send to Gmail only over IPv4. After I have some confidence that I have checked all the boxes for our IPv6 IPs I will do some experimental sending to Gmail from those IPs. If I can achieve reliable delivery I will con

Re: [mailop] I understand less and less why I accept any mail at all from Sendgrid

2022-08-15 Thread Ángel via mailop
On 2022-08-13 at 18:46 -0400, John Levine wrote: > Subject: IP address blacklisted(Child Pornography Act 1996 violated) > > Hello, > > We have found instances of child pornography accessed from your IP > address. This is a punishable offence under The Child Pornography > Prevention Act of 1996 .

Re: [mailop] I understand less and less why I accept any mail at all from Sendgrid

2022-08-15 Thread Stuart Henderson via mailop
On 2022/08/16 02:03, Ángel via mailop wrote: > On 2022-08-13 at 18:46 -0400, John Levine wrote: > > Subject: IP address blacklisted(Child Pornography Act 1996 violated) > > > > Hello, > > > > We have found instances of child pornography accessed from your IP > > address. This is a punishable offe

Re: [mailop] I understand less and less why I accept any mail at all from Sendgrid

2022-08-15 Thread Jarland Donnell via mailop
Honestly the difference between SendGrid and the top 10 list here seems like it's shrinking every day: https://www.spamhaus.org/statistics/spammers/ On 2022-08-15 19:42, Stuart Henderson via mailop wrote: On 2022/08/16 02:03, Ángel via mailop wrote: On 2022-08-13 at 18:46 -0400, John Levine w

Re: [mailop] Gmail Dynamic Email / Impact on Email Ecosystem

2022-08-15 Thread Brandon Long via mailop
On Thu, Aug 11, 2022 at 4:09 PM Ángel via mailop wrote: > On 2022-08-11 at 10:55 +, Gellner, Oliver wrote: > > In other MUAs they display like normal emails, Id expect that Googles > > dynamic emails behave the same way. > > They seem to be a text/x-amp-html, and require a text/html or > text

Re: [mailop] [E] Re: Gmail Dynamic Email / Impact on Email Ecosystem

2022-08-15 Thread Brandon Long via mailop
"Just links" is of course the potential fall back for both of these, clearly confidential emails can't be implemented with actual email, and short of something like message/external-body is unlikely to be multi-client (especially since the sender would want to control the controls on the content, n

Re: [mailop] Gmail spam scoring via IPv6 different than IPv4?

2022-08-15 Thread Brandon Long via mailop
I mean, you can either limit it to the limits in the RFC and fail a bunch of things that would otherwise pass, or acknowledge that those limits are much smaller than practical given the proliferation of third party senders that are used by companies. Especially since some larger companies will not

Re: [mailop] Gmail spam scoring via IPv6 different than IPv4?

2022-08-15 Thread Brandon Long via mailop
On Fri, Aug 12, 2022 at 3:15 PM Simon Arlott via mailop wrote: > On 12/08/2022 17:22, Jesse Hathaway via mailop wrote: > > Back in 2013[1] we changed our mail config to force MX lookups for gmail > > to only use IPv4 addresses. We made these change after hearing reports > > of higher spam scorin