The irony is that a substantial amount of the spam I receive comes from those platforms.
If anything I'm nervous to recommend Google because they flag too many legitimate emails as spam. After years of not checking, I'm checking spam again.
Does your company do outbound marketing/sales?
I've seen multiple companies spin up outbound email marketing campaigns where someone compiles a list of 5000 email addresses based on certain demographics, and then send automated emails (that look not automated) over the course of a month, rinse, repeat. Google Workspace will let you do this, but if you're too aggressive with email volume it can kill the reputation, and therefore deliverability of any email from that domain.
(Which is why most companies send outbound sales emails from a domain other than their primary domain to separate out the sending domain reputation)
Good guess, but we don't. I also checked DKIM/SPF when this happened and all appeared in order.
(If you haven’t realized, this is why Gmail has SMTP message origination disabled by default — these days requiring not only enabling it for your Gmail account, but also fiddling with app passwords to get it working. If it was enabled by default, the “spam from stolen credentials” problem would be so, so much worse. Whereas, at least with the webapp route, Google can block you if you look like a bot [i.e. if you’re doing an insufficiently good job at fooling them.])
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I am not the only one with this issue. See https://support.google.com/groups/thread/68075070/i-get-goog... .
... Wait! You've indirectly helped solve the issue!
They are being sent to "info@" my domain, an alias that forwards to my real account. I set up a new outgoing account with that From address, sent from there, and managed to get Google to unsubscribe something I never agreed to in the first place.
It's been like this for a year, and with multiple attempts to fix it.
Thank you!
Few months later, they started bouncing my server's new IP address and that, too, wasn't their fault of course: "we're not seeing a block for your IP address so there cannot be bounces". Denying reality is super effective. The punchline was that they had blocked the new ISP's whole range rather than just my IP, so they weren't getting any hits when searching for my IP address. I found this out through some back-and-forth with a friendly sysadmin at the ISP, who was also banging their head against MS' wall...
These people must be so underpaid they're probably giving MS money for the privilege to work for such a correct business
Somewhat out of context, but greylisting works as well as the day it came out.