Suggest an alternative to

Mailer

Simple Email Sending Client for Mailgun & Sendgrid services in crystal

Why do you think that https://github.com/Nephos/CrystalEmail is a good alternative to Mailer

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with Mailer. Optional.

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