IP addresses can be faked.
It does make a poor cover story though, doesn’t it?
Zola remembered to use the British spelling; for example “favour” instead of “favor”.
In that set of emails is a postal code, SE3 0QL.
It is a post code in London.
85 people live there:
https://www.postcode.directory/postcode/se3-0ql/1268123
Street for that post code is Eliot Place.
And along with the post code was a name ending in -ton.
A publishing company Milton Publishing at #9:
https://beta.companieshouse.gov.uk/officers/Mh9JEqSWBrZo54bWs_k_42_rf7I/appointments