What a surprise, checking a boolean flag continues to be such an elusive technology.

"THIS EMAIL IS AN ADVERTISEMENT"

"You are receiving this email because you’ve requested to receive emails with information about Comcast products and services."

"If you do not wish to receive emails like this in the future, please click here to unsubscribe."

(Only the first statement is true.)

Try this one simple trick for getting a malicious HTML payload in a googlemail[.]com DKIM/DMARC authenticated message delivered to the inbox and rendered by the Gmail web client.

Rspamd says:

```
X-Spam-Status: Yes, score=7.10
X-Spamd-Result: default: False [7.10 / 6.00];
BAYES_SPAM(5.10)[100.00%];
```