Declare endless love for Homer over message (8)

I believe the answer is:

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'message' is the definition.
(telegram is a kind of message)

I can't explain the rest of the clue.

(Other definitions for telegram that I've seen before include "cable" , "It may bring word" , "Now obsolete communication over a wire" , "Message sent by wire" , "Message transmitted by wire" .)

I've seen this clue in The Independent.

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