[mailop] Reporting/detecting google groups spam

2021-10-17 Thread Dan Mahoney (Gushi) via mailop
All, For years now I've been the target of a number of resumes from UAE-based google-groups. (In my case, it's resume spam) The group name keeps changing, using spamcop reporting does nothing, and the recipients are, believe it or not, real people with real resumes (sometimes when I'm feeli

Re: [mailop] subscription bombing prevention best practices

2021-10-17 Thread Alexey Shpakovsky via mailop
On Sun, October 17, 2021 11:56, Simon Arlott via mailop wrote: > > ...sign-up can be by email > only and they should stop accepting sign-up on a website. That sounds indeed like a great idea and if I was maintaining a mailing list - I would definitely do this. However, I'm afraid that in reality

Re: [mailop] subscription bombing prevention best practices

2021-10-17 Thread Simon Arlott via mailop
On 17/10/2021 11:15, C A via mailop wrote: > On Sun, Oct 17, 2021, Simon Arlott via mailop wrote: > >> confirmation process only if your email passes SPF/DKIM (or DMARC). If > > And if the sender doesn't use either? If there are no SPF or DMARC records published then you can let them continue to

Re: [mailop] subscription bombing prevention best practices

2021-10-17 Thread C A via mailop
On Sun, Oct 17, 2021, Simon Arlott via mailop wrote: > confirmation process only if your email passes SPF/DKIM (or DMARC). If And if the sender doesn't use either? -- Please don't Cc: me, use only the list for replies. [let's see what happens to the addresses...] ___

Re: [mailop] subscription bombing prevention best practices

2021-10-17 Thread Simon Arlott via mailop
On 20/01/2021 10:50, Stefano Bagnara via mailop wrote: > I'm looking for brainstorming and updated industry "standards" from people > handling outgoing SMTP services or ESP exporting APIs to "request > subscriptions" (confirmed opt-in). For mailing lists, it occurs to me that we should now be at t

Re: [mailop] Gmail putting messages to spam

2021-10-17 Thread Laura Atkins via mailop
I do. I signed up to Uber using my gmail address at an airport where the language wasn’t my default language. The confirmation email from Uber was in the local language. Gmail put it in my spam folder. Ive also seen it happen to clients often enough it’s one of my standard troubleshooting qu

Re: [mailop] Gmail - messages to self accepted by SMTP, not delivered

2021-10-17 Thread Kostya Vasilyev via mailop
Well no, this one is different. It depends on whether the mail app uses OAUTH2 and on how recently this app was registered on Google Cloud. When such mail app is detected, Gmail will not automatically file messages submitted via SMTP into the Sent folder, as it's done for decades. This must be