Mail-Tester
Test the spammyness of your emails before you send them. Great for newsletters and other marketing emails. Send
Exploring: Email
DMARC XML to Human Converter
This tool from dmarcian allows you to upload uncompressed or compressed (in gzip or zip) DMARC XML files
Mailbum
A really simple email signature generator. Mailbum provides a basic set of email signature templates for you to