Not sure what to make of this. The contents of the invite show:
Organizer DAVID DEITHER LAURENTE QUISPE [email protected] and ayacucho.edu.pe mail is handled by 1 aspmx.l.google.com So these aren't free accounts - spammers compromised entire tenants and created their own accounts there in order to receive mail back ? Scott On Wednesday, 12/11/2025 at 06:29 Hans-Martin Mosner via mailop wrote: Am 11.11.25 um 17:25 schrieb Scott Q. via mailop: But these seem like legitimate Google issued invites, not faked in any way - maybe compromised accounts ? Anyone from Google can chime in if you are aware of this issue ? We can't really start scoring/blocking Google calendar invites, or can we ? They are Google. Do you seriously expect them to care? Most likely the accounts used to send have been created for the purpose of spamming. Handing out free anonymous accounts is what makes Google attractive to spammers (and the fact that these accounts can stay active for sufficient time despite being reported as spam sources). Doing something at the receiving end is pretty difficult, as the difference between unwanted and wanted invites isn't clear in the general case. You might be able to detect URLs within the text that indicate unwanted stuff, anf you might treat invites from senders who have had previous contact with the recipient as likely desired, but all of this is very error-prone. Cheers, Hans-Martin
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