`setMailboxMessageFlags`

Replace a message's IMAP flags (e.g. mark it Seen). Flags set here are the same ones an IMAP client sees.

HTTP: POST /api/mailbox/messages/{uid}/flags

Parameters

Field	Type	Required	Description
`flags`	string	✓	The complete flag set to store, space-separated and WITHOUT leading backslashes (e.g…

ok-response — see the ok-response schema.

$res = $mk->setMailboxMessageFlags([
    'uid' => 42,
    'address' => 'support-billing@acme.dev',
    'flags' => 'Seen',
]);