Re: [mailop] suggested max received headers/hop limit

2022-03-09 Thread Sebastian Nielsen via mailop
Reason to have a hop limit is to prevent infinite loops where 2 email addresses or servers point on each other. So its not good to set a hop limit too high either, without any compensating controls, like having a high hop limit, but cease delivery if it for example stumbles upon 2 received line

Re: [mailop] suggested max received headers/hop limit

2022-03-09 Thread Grant Taylor via mailop
On 3/9/22 4:56 PM, Kelsey Cummings via mailop wrote: Greetings, we've been seeing some issues in our mail infrastructure with regular users hitting >25 hops on messages and I'm wondering if there's a general consensus that the old default of 25 is too low given modern mail flows. If I can rid

Re: [mailop] suggested max received headers/hop limit

2022-03-09 Thread Michael via mailop
Remember, those limits were set in a 286/1200 baud world, but a sane limit should still be observed, 30-50 hops is plenty On Wed, 9 Mar 2022 17:05:38 -0800 Brandon Long via mailop wrote: > Ours was set to 50 years ago, and we renamed our internal hops to > X-Received to avoid issues with externa

Re: [mailop] suggested max received headers/hop limit

2022-03-09 Thread Brandon Long via mailop
Ours was set to 50 years ago, and we renamed our internal hops to X-Received to avoid issues with external receivers with stricter limits. The number of hops for most consumer mail isn't high, but enterprise messages can have some really extended hops if it goes through nested mailing lists and mu

Re: [mailop] suggested max received headers/hop limit

2022-03-09 Thread Kelsey Cummings via mailop
On 3/9/2022 5:05 PM, Brandon Long wrote: Ours was set to 50 years ago, and we renamed our internal hops to X-Received to avoid issues with external receivers with stricter limits. The number of hops for most consumer mail isn't high, but enterprise messages can have some really extended hops i

[mailop] suggested max received headers/hop limit

2022-03-09 Thread Kelsey Cummings via mailop
Greetings, we've been seeing some issues in our mail infrastructure with regular users hitting >25 hops on messages and I'm wondering if there's a general consensus that the old default of 25 is too low given modern mail flows. Have any of you had to increase it? Any one know what major ESP's

Re: [mailop] Mass of Spam from Linode Networks associated with wewe.global

2022-03-09 Thread Konstantin Filtschew / Qameta via mailop
Am 6. März 2022 um 13:25:42, Hans-Martin Mosner via mailop (mailop@mailop.org) schrieb: Am 06.03.22 um 12:55 schrieb Konstantin Filtschew / Qameta via mailop: Hello, I see a lot of spam comming to our systems from this Linode Networks since 24.02.2022: - 45.79.0.0/16 - 172.104.0.0/15 - 45.79.0.

Re: [mailop] Auto Unsubscribing Behavior

2022-03-09 Thread Bastian Blank via mailop
Hi Brian On Tue, Mar 08, 2022 at 03:10:29PM -0500, Brian Toresdahl via mailop wrote: > What we've seen, corroborated with cases across different sender domains, > and different recipient domains, is that emails, as soon as they're > delivered, are being immediately unsubscribed. We've had enough i