Rubbishy dailies were in contact (7)

I believe the answer is:

liaised

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'were in contact' is the definition.
Although both the answer and definition are past participle verbs, I cannot understand how they can define each other.

'rubbishy dailies' is the wordplay.
'rubbishy' indicates anagramming the letters (I've seen this in other clues).
'dailies' is an anagram of 'LIAISED'.

Can you help me to learn more?

(Other definitions for liaised that I've seen before include "consulted together" , "got in touch" , "Maintained contact" , "Established contacts" , "Acted as go-between or link" .)

I've seen this clue in The Independent.

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