@S-K Thanks for the response. I'm sending an email to an internal mailbox (my personal). I'm allowing everything on my subnet to relay emails so I'm quite sure that's not the issue. It's interesting...

I'm using the latest Omada controller software (v5.0.29). I just setup my new ER605 yesterday and wanted to configure the Mail Server options so that I get email notifications for certain alerts but...

You shouldn't have to use provider's dns if you don't want to. You can specify your own public dns servers if that's what you want.

@HomeAdmin Thank you for that. I think you're right. I do have a Cisco SG350X-48 switch but I've never had to use ACL's yet. It does appear to have ACL allow/deny capability for VLANs so I'll play...

Model: ER7206 (TL-ER7206) Hardware Version: V1.0 Firmware Version: 1.1.1 What is the correct procedure to seggragate VLAN's so that they're not able to talk to each but still have internet access?...

I guess this is still happening for unknown reason(s). I just bought the ER7206 yesterday and I'm seeing these large ping attacks several times a day. But what's more concerning is that I'm also...