[Mailman-Users] Re: AT&T RBL again

2021-04-03 Thread Mark Sapiro
On 4/3/21 1:59 AM, Stephen J. Turnbull wrote: > > Note that in those cases where the provider sends examples of > "problematic" mail from your server but redacts customer > identification, there are ways to "fingerprint" the message which the > providers usually don't touch. Basically, add a head

[Mailman-Users] Re: AT&T RBL again

2021-04-03 Thread Stephen J. Turnbull
Jon Baron writes: > I think what I have just said speaks to your question. If not, then I don't > understand your question. It wasn't a question. It was a statement that a technical solution exists that might be useful to some site administrators in relatively unusual circumstances. > Now fo

[Mailman-Users] Re: AT&T RBL again

2021-04-03 Thread Jon Baron
Dear Stephen and Morris, Regarding your first post, I do not see the kind of Digital Ocean problems that you have. In the past, I have had other problems, mostly a botnet that was trying to guess passwords for WordPress (nonexistent), for many months. Concerning your second email, below, this has

[Mailman-Users] Re: AT&T RBL again

2021-04-03 Thread Stephen J. Turnbull
Morris Jones writes: > [AT&T are opaque about their standards and process, and don't > provide any means to respond or unsubscribe their customers who > don't want your mail. This is the basic issue. Email users generally put more pressure on providers about "spam" (including stuff they've si

[Mailman-Users] Re: AT&T RBL again

2021-04-03 Thread Stephen J. Turnbull
Carl Zwanzig writes: > On 3/30/2021 9:28 AM, Mark Sapiro wrote: > > I had two servers blocked by ATT, fortunately not this one. They were > > both DigitalOcean droplets,[...] > > FWIW, a couple of my regular correspondents have said that DO generally does > not have a great email reputation