Sent from my iPhone

> On Aug 31, 2022, at 10:39 AM, marc <marcxdv@???> wrote:
>
> Hi
>
> Just a quick note that in the last week or so google seems
> have ratcheted up its rejection of mail from independent MTAs
> a notch or two.
>
> IF you check your logs, you might see 550 rejects with a message
> such as
>
> Our system has detected that this message is likely
> unsolicited mail. To reduce the amount of spam sent
> to Gmail, this message has been blocked. Please visit
> https://support.google.com/mail/?p=UnsolicitedMessageError
> for more information.
>
> In this case this is for an IP+DNS combination that is known
> to never have sent spam. And of course the supreme irony of
> the matter is that google itself stands accused of injecting
> spam into people's email - see noyb.eu
>
> The first reaction is to be a bit bleak about this, but
> giving it some thought, there might be a silver lining to
> this: This might be a significant step in the split into
> "internet classic" the familiar favourite versus
> the "hinternet.google", the free, convenient, but
> also watered-down and shrinkflated version.
>
> Amusingly I think the DNG list here might have gotten
> a headstart on this, with its unconfigured reverse
> DNS entry - looking through the recent mails I see
> next to no participants from gmail.com - presumably
> because they haven't seen mail from here.
>
> So I think the only sensible reaction is to get word out
> that to participate in this list it is now even more
> important find a decent nongmail provider, or even
> better - set up your own MX/MTA.
>
> I know that this can be a bit of a PITA, but if
> you maximise for convenience rather than knowledge/privacy,
> shouldn't you be using MacOS/Android instead than Devuan ?

I’ve been running my own MTA for 15+ years. occasionally I get bounced. recently was bounced by sbcglobal (AT&T) who doesn’t respond to removal requests. It’s definitely a PITA. However, in all fairness, I was sending to a large group (25 or so)and that might have done it.

It’s imperative that you have rdns, spf, dkim and dmarc set up and that it all matches.

My MTA will reject you if your ptr doesn’t match your a record and your helo/ehlo hostname. spf, skim and dmarc are all scored via spamassassin. Google rejects, outright, if there is any sort of mismatch in any of that at all. Setting up dnssec for your domain is also helpful.

DNG list traffic comes through just fine.

Cheers
—Curtis



> regards
>
> marc
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