On Tue, Jun 4, 2019 at 04:29 PM, Bruce Bowman wrote:
I agree with Shal that the first question to be answered is whether the offensive message actually appears in the online message archive. If not, then whoever sent it was spoofing the group address, not posting to it.
If this was caused by spoofing the group address then there has to be a risk that the material was not just "porn" but that it also contained a software nasty of some sort.
I would suggest advising your members not to click on any links in any further suspect messages in case they contain a malicious payload. If they have their own virus protection then (hopefully) everything will be OK, but...
Chris