Bulk mail changes

From 3 March 2025 a fee will be introduced for non-conforming bulk mail lodgements.  And from 1 July 2025 Clean Mail will no longer be available. Instead, customers will be able to lodge mail as PreSort Letters Unbarcoded.

Use PreSort Letters to save money

PreSort Letters is a cost-effective way to send fully addressed mail. You can get discounted postage rates if you're sending more than 300 machine-addressed sorted items, with even lower postage rates when also barcoded.

As well as Priority delivery, PreSort Letters service offers the option of a lower cost Regular delivery service for non-time critical mail.

Benefits

  • Having your mail barcoded and sorted saves you money, because it saves us processing time
  • You can get even further discounts by choosing Regular delivery service
  • Easy to pay for, using either your Australia Post business credit account, a postage meter, cash, debit card or credit card

What you can send

With PreSort Letters, you can send 'Small', 'Small Plus' or 'Large' items.

Size details

Small

Small Plus

Large

Maximum weight

Small

125g

Small Plus

125g

Large

500g

Minimum size

Small

88 x 138mm

Small Plus

88 x 138mm

Large

N/A

Maximum size

Small

130 x 240mm

Small Plus

162 x 240mm

Large

260 x 360mm

Maximum thickness

Small

5mm

Small Plus

5mm

Large

20mm

Please note: Each lodgement must contain items in the same size category and for the same delivery speed.

Delivery timetables

PreSort may be sent via either Regular or Priority speed. Please see the following delivery timetable:

PreSort Letters timetable (PDF 181kB)