.... Perhaps the Luton Islamic Centre’s guidance on “Greeting The Kuffaar On Their Festivals” can set Mr Shuker straight on this one:
"It is like congratulating someone for prostrating to the cross, or even worse than that. It is as great a sin as congratulating someone for drinking wine, or murdering someone, or having illicit sexual relations, and so on. Many of those who have no respect for their religion fall into this error; they do not realize the offensiveness of their actions.
Whoever congratulates a person for his disobedience or bid’ah or kufr exposes himself to the wrath and anger of Allaah." [Harry’s Place] Read more