Struct Compose 

pub struct Compose {
    pub path: PathBuf,
    pub recall_source: Option<PathBuf>,
    pub security: Security,
    pub attach: Option<PathBuf>,
    pub hidden_head: Option<String>,
    pub fcc: Option<String>,
}

A draft file going through editor → send/postpone/discard.

Fields

path: PathBuf

recall_source: Option<PathBuf>

Postponed original to delete once the message is sent.

security: Security

attach: Option<PathBuf>

Original message to attach as message/rfc822 (forward = “attach”, mutt’s mime_forward).

hidden_head: Option<String>

Header block withheld from the editor (edit_headers = false); draft_full puts it back for send/postpone/attachments.

fcc: Option<String>

Fcc chosen in the compose menu (f): None = the default sent copy, Some(“”) = keep no copy, Some(path) = that maildir.