updated for version 7.0063
diff --git a/runtime/syntax/mail.vim b/runtime/syntax/mail.vim
index 98034df..eca30f4 100644
--- a/runtime/syntax/mail.vim
+++ b/runtime/syntax/mail.vim
@@ -23,17 +23,17 @@
" For "From " matching case is required. The "From " is not matched in quoted
" emails
syn region mailHeader contains=@mailHeaderFields start="^From " skip="^\s" end="\v^[-A-Za-z0-9]*([^-A-Za-z0-9:]|$)"me=s-1
-syn match mailHeaderKey contained contains=mailEmail "^From\s.*$"
+syn match mailHeaderKey contained contains=mailEmail,@NoSpell "^From\s.*$"
syn case ignore
" Nothing else depends on case. Headers in properly quoted (with "> " or ">")
" emails are matched
-syn region mailHeader keepend contains=@mailHeaderFields,@mailQuoteExps start="^\z(\(> \?\)*\)\v(newsgroups|from|((in-)?reply-)?to|b?cc|subject|return-path|received|date|replied):" skip="^\z1\s" end="\v^\z1[-a-z0-9]*([^-a-z0-9:]|$)"me=s-1 end="\v^\z1@!"me=s-1 end="\v^\z1(\> ?)+"me=s-1
+syn region mailHeader keepend contains=@mailHeaderFields,@mailQuoteExps,@NoSpell start="^\z(\(> \?\)*\)\v(newsgroups|from|((in-)?reply-)?to|b?cc|subject|return-path|received|date|replied):" skip="^\z1\s" end="\v^\z1[-a-z0-9]*([^-a-z0-9:]|$)"me=s-1 end="\v^\z1@!"me=s-1 end="\v^\z1(\> ?)+"me=s-1
-syn region mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@mailQuoteExps start="\v(^(\> ?)*)@<=(to|b?cc):" skip=",$" end="$"
-syn match mailHeaderKey contained contains=mailHeaderEmail,mailEmail "\v(^(\> ?)*)@<=(from|reply-to):.*$"
+syn region mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@mailQuoteExps,@NoSpell start="\v(^(\> ?)*)@<=(to|b?cc):" skip=",$" end="$"
+syn match mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@NoSpell "\v(^(\> ?)*)@<=(from|reply-to):.*$"
syn match mailHeaderKey contained "\v(^(\> ?)*)@<=date:"
-syn match mailSubject contained "\v(^(\> ?)*)@<=subject:.*$" contains=@Spell
+syn match mailSubject contained "\v(^(\> ?)*)@<=subject:.*$"
" Anything in the header between < and > is an email address
syn match mailHeaderEmail contained "<.\{-}>"