I am glad the author is recovering, but (being in Germany) I would have just gone to the hospital after the first symptoms without even thinking about asking AI what to do.
I don't think that this will enable you to send emails that conform to the DMARC standard (using DKIM and SPF). Might be ok for a side project, but in my opinion not enough for a small business.
Can anybody explain why/how the resulting protein is recognized as foreign by the body? It is build using the same components and mechanisms as every other one, right? The body can't have a dictionary of 400.000 known proteins, can it?