I don't see why it shouldn't. If you will be able to extract that HTML from the email body.

Tried and get the following:

"At line:103 char:73

• ... tent = Invoke-WebRequest -Method GET -Headers $Headers -Uri <!DOCTYPE ...
• ~ The '<' operator is reserved for future use.

At line:118 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:126 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:134 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:142 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:151 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:165 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

At line:173 char:8

• @media only screen and (max-width: 640px) {
• ~~~~ Unexpected token 'only' in expression or statement.

Not all parse errors were reported. Correct the reported errors and try again."