Filter database with list from a text file

[eldorado]

I have a large list of email addresses "on other server" that I have found are undeliverable to users"unsubscri ber email", I want to mark a field in mysql to 1 where there is this email address???
I'm trying this

update user set styleid = 1 where email =
load_File('//ip add/email.txt')

but it dose not work
Please is there any Answer

[mwasif]

Use LOAD DATA INFILE to import the contents of file to a table and then update the respective table with a JOIN.