# Mail queue

## How delivery retries work

This Postfix’s policy, read once at panel start. There is no maximum attempt count — only time.

First retry5 minutes
Later retriesdoubling, cap 1 h 7 min
Kept in queue5 days
Thenbounced

## Pending messages

Queue id | Age | From | To | Size
--- | --- | --- | --- | ---
4C3A1E2F1A | 18 min | billing@example.com | ada@example.net | 12 KiB
4C3A1E3010 | 11 min | news@example.com | pat@slow.example | 48 KiB
4C3A1E3102 | 4 min | billing@example.com | ada@example.net | 9 KiB

- 4C3A1E2F1A18 minbilling@example.com → ada@example.net
- 4C3A1E301011 minnews@example.com → pat@slow.example
- 4C3A1E31024 minbilling@example.com → ada@example.net

postqueue -p -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- 4C3A1E2F1A* 12288 Sat Aug 15 20:14:02 billing@example.com ada@example.net 4C3A1E3010 49152 Sat Aug 15 20:21:18 news@example.com pat@slow.example -- 3 Kbytes in 3 Requests.