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Point-of-sale and business management for tyre and mechanical workshops.

Supplier Inbox BT

Learn the basics about the Supplier Inbox in Marlin GTX trusted automotive software by Megabus.

Updated 30 October 2026

**Marlin GTX** enables electronic supplier orders to be received and processed directly using the Inbox.

Electronic supplier orders are received directly into GTX and can be imported into the Purchases module for processing.

Tip — Electronic inbox ordering can be enabled for many suppliers including Burson, Repco, Bridgestone, Continental, Michelin, Pirelli, Yokahama and others. To enable supplier inbox ordering, contact the Megabus Support Team.

Inbox Module

When a new inbox order is received, the Inbox status tab at the bottom of the GTX window will turn orange and display the number of unprocessed items.

Screenshot from the Supplier Inbox BT help article

The Inbox module can be opened by:

  • Double-clicking the Inbox status tab
  • Selecting Main > Enquiries > Inbox from the menu bar
Screenshot from the Supplier Inbox BT help article

Invoicing Inbox Orders

The Inbox module will open showing a list of unprocessed supplier messages.

Screenshot from the Supplier Inbox BT help article

To process an inbox order:

  • Double-click the inbox message

The order will open in the Purchases module with supplier details and invoice information pre-filled.

Screenshot from the Supplier Inbox BT help article

Review the order details:

  • Check quantities, costs and tax
  • Match any unmatched products, if required
Note — All invoice details can be edited except the Total Invoice Amount and GST.

Once reviewed, the order can be finalised using the Purchases module as usual.

Screenshot from the Supplier Inbox BT help article

Unmatched Products

Most products on inbox orders will be matched automatically.

If a product cannot be matched, red question marks will appear in the Product column.

Screenshot from the Supplier Inbox BT help article

To match a product:

  • Click the **Magnifying Glass** picker in the Product column
  • Select the correct product from the list
  • If no match exists, click Add a New Match
Screenshot from the Supplier Inbox BT help article

In the New Match for an External Code window:

  • Select the correct Product Code
    • Click Remember Match to reuse it in future
    • Or click Match Once to apply it only to this order
Note — Products cannot be added from the Inbox. If a matching product does not exist, it must be added using Product Maintenance before the order can be finalised

::: (Warning) (For Further Details) See the Supplier Inbox{target=_blank} help guide. :::