All CollectionsUnified InboxChannels and email optionsChannels and email optionsChannel-specific behaviour for WhatsApp and email inside the Unified Inbox.7 articlesSend PDF attachments via WhatsAppAttach a PDF to a WhatsApp conversation in the Inbox, for invoices, menus, and booking confirmations.Create and manage your email signaturesBuild several named signatures in the editor, in HTML, or from a file, set which one is added automatically to new emails and replies, and swap signatures on a single…Send a WhatsApp campaign on demandBuild a Journey that never sends by itself, so your team can send an approved WhatsApp message to a guest by hand whenever they need to reach them.Send a WhatsApp campaign via the InboxSend an approved Journey campaign to a guest straight from their conversation, while WhatsApp's 24-hour window is open.WhatsApp across the guest journeyHow the 24-hour window shapes channel priority, campaign triggers, QR codes, and bot automation on WhatsApp.Keep a copy of your Inbox email replies in your own mailboxHave every email your team sends from the Unified Inbox copied automatically to a mailbox you choose, so you keep a full record of guest correspondence outside Bookboost.Set a default font, size and weight for Inbox emailsChoose one font, size and weight for the whole organisation, and every new Inbox email starts with that styling. Admin only, and there is no Save button.