It basically just base64 encode the url to generate the link and decode the url arg to do the redirect.
I also own this email address that I made just for fun:
JesuisLeProprietaireDeCeNomDeDomaineTresLongBonjourCaVaBienAller@icirickynotarodemontrealetceciestunnomdedomainebeaucouptroplong.club
It basically just base64 encode the url to generate the link and decode the url arg to do the redirect.
I also own this email address that I made just for fun: JesuisLeProprietaireDeCeNomDeDomaineTresLongBonjourCaVaBienAller@icirickynotarodemontrealetceciestunnomdedomainebeaucouptroplong.club