I originally posted this query elsewhere but it was suggested to me that this was a more appropriate community.
We use a number of Gmail accounts for emergencies (e.g. issues with in-house email server) for the support staff. However we are getting an increasing amount of spam (dating sites, credit cards, loans, etc.). Blocking the sender results in the emails going into the spam folder which means manually deleting them to avoid accidentally deleting a valid email (via a block delete) that has gone into the spam folder.
Is there a way of fully blocking them so they do not even get as far as the spam folder?