(edited)
Moving from this GitHub issue: https://github.com/vercel/vercel/issues/11359
https://vercel.com/guides/sending-emails-from-an-application-on-vercel
The guide above recommends mailing to send emails from Vercel applications, but this package appears to be unmaintained since before app router was implemented. It breaks if imported into newer NextJS applications and throws errors about ugilfy-js, which is one of its dependencies.
Minimum reproduction: https://github.com/jamesmillerburgess/next-mailing-bug
https://github.com/sofn-xyz/mailing
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