pub(crate) async fn rfc724_mid_exists_and(
    context: &Context,
    rfc724_mid: &str,
    cond: &str
) -> Result<Option<(MsgId, i64)>>
Expand description

Returns MsgId and “sent” timestamp of the message with given rfc724_mid (Message-ID header) if it exists in the db.

@param cond SQL subexpression for filtering messages.