# mutare_swoosh v0.2.1 - Table of Contents > Mutare mutators for Swoosh ## Pages - [mutare_swoosh](readme.md) - [Changelog](changelog.md) - [LICENSE](license.md) ## Modules - Mutator front - [Mutare.Swoosh](Mutare.Swoosh.md): Custom Mutare mutators for Swoosh email semantics. - Email-construction families - [Mutare.Swoosh.Attachment](Mutare.Swoosh.Attachment.md): :swoosh_attachment mutates attachment presence and disposition. - [Mutare.Swoosh.Body](Mutare.Swoosh.Body.md): :swoosh_body swaps Swoosh body parts, html_body and text_body. - [Mutare.Swoosh.Header](Mutare.Swoosh.Header.md): :swoosh_header removes custom email headers. - [Mutare.Swoosh.ProviderOption](Mutare.Swoosh.ProviderOption.md): :swoosh_provider_option removes provider-specific delivery options. - [Mutare.Swoosh.Recipient](Mutare.Swoosh.Recipient.md): :swoosh_recipient mutates Swoosh recipient semantics. - [Mutare.Swoosh.Sender](Mutare.Swoosh.Sender.md): :swoosh_sender swaps from and reply_to in Swoosh email construction, and removes reply_to. - [Mutare.Swoosh.Subject](Mutare.Swoosh.Subject.md): :swoosh_subject deletes the email subject. - Delivery family - [Mutare.Swoosh.Deliver](Mutare.Swoosh.Deliver.md): :swoosh_deliver drops email delivery while keeping the success shape.