Dutch leader too much for port in England (5)

I believe the answer is:

dover

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'port in england' is the definition.
'dover' can be an answer for 'port' (English port). I am not sure about the 'in england' bit.

'dutch leader too much' is the wordplay.
'leader' suggests taking the first letters.
'too much' becomes 'over' (over can mean to too great an extent).
The initial letter of 'dutch' is 'd'.
'd'+'over'='DOVER'

'for' acts as a link.

Can you help me to learn more?

(Other definitions for dover that I've seen before include "UK shipping forecast area" , "fish" , "Channel port" , "There'll be blue clouds over the white cliffs here" , "White cliffs port" .)

I've seen this clue in the Sydney Morning Herald.

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