Brings back plans for canned meat (4)
I believe the answer is:
spam
'canned meat' is the definition.
(I've seen this before)
'brings back plans' is the wordplay.
'back' indicates one should take the final letters (the letter at the back).
'plans' becomes 'pam' (I can't justify this - if you can you should give a lot more credence to this answer).
The final letter of 'brings' is 's'.
's'+'pam'='SPAM'
'for' is the link.
Can you help me to learn more?
(Other definitions for spam that I've seen before include "Send unsolicited mail" , "Uninvited email" , "unwanted delivery" , "Unwanted communication" , "unsolicited communication" .)