# `mix mail.doctor`
[🔗](https://github.com/szTheory/mailglass/blob/v1.0.0/lib/mix/tasks/mail.doctor.ex#L1)

Run DNS-only deliverability checks for one explicit domain.

## Usage

    mix mail.doctor --domain example.com
    mix mail.doctor --domain example.com --dkim-selector default
    mix mail.doctor --domain example.com --verbose
    mix mail.doctor --domain example.com --format json

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*Consult [api-reference.md](api-reference.md) for complete listing*