I think it wouldn't, at least in Spain, if those receiving the emails are acting not as individuals (final customers) but as company representatives. So it's OK

I think it wouldn't, at least in Spain, if those receiving the emails are acting not as individuals (final customers) but as company representatives. So it's OK to send an email to Jane at jane@somecompany.com but not to send another email to the same Jane at jane@gmail.com.