Having a NIP-05 is very low-cost, so it might not be suitable as a method for spam filtering.
Promotes DNS use if it doesn't work for people with no NIP-05 nostr:nevent1qvzqqqqqqypzqamkcvk5k8g730e2j6atadp6mxk7z4aaxc7cnwrlkclx79z4tzygqyvhwumn8ghj7urjv4kkjatd9ec8y6tdv9kzumn9wshsz9mhwden5te0wfjkccte9ec8y6tdv9kzumn9wshsqg9r0fnnjct86kshup76x9lhty9unc2e72cwtgkaukcy04u6j9hnksjjxysw
Having a NIP-05 is very low-cost, so it might not be suitable as a method for spam filtering.
