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POST

Path Parameters

string
required
Email address of the forwarding mailbox. Accepts full email (eva@wireboxmail.com) or local handle (eva).
string
required
Unique ID of the message being forwarded (msg_ prefix).

Headers

string
Optional client-generated token (UUID v4 or random ASCII string) preventing duplicate forward dispatches on network retry.

Body

string | string[]
required
Recipient email address or list of addresses to forward to.
string
Optional subject line override. Defaults automatically to Fwd: <original_subject>.
string
Optional plain text commentary note prepended above the forwarded message quote. (Also accepts text).
string
Optional rich HTML commentary note prepended above the forwarded message quote. (Also accepts html).
string | string[]
Optional carbon copy recipient(s).
string | string[]
Optional blind carbon copy recipient(s).
boolean
default:"true"
Whether to include original email attachments stored in Cloudflare R2. Defaults to true. Set to false to forward only the message text without original attachments.
object[]
Optional additional attachments to append to the forward message.