Fix crash if config doesn't have an email section
Fix crash if config doesn't have an email section

Also remove a nested if
Roang-zero1/node-webhook,developmentseed/jekyll-hook,danielyewright/jekyll-hook,danielyewright/jekyll-hook,emory/jekyll-hook,developmentseed/jekyll-hook,Roang-zero1/node-webhook,webdev1001/jekyll-hook,datamade/jekyll-hook,datamade/jekyll-hook,webdev1001/jekyll-hook,emory/jekyll-hook