End user Spam Email subject lines

[Cdomains]

When emailing end users what have you found to be subject lines that wind up being blocked by spam filters?

My Opinion

for sale xxxxxx.com
website for sale xxxxxxxx.com
you might be interested in xxxxxx.com for sale
Would you be interested in xxxxxx.com

What have you found to be blocked as spam.

What do you think works as a subject line?

 

[TampaDomains]

I just put the keywords of the domain in the subject.
I am pretty sure putting a domain link in the subject is not a good idea for spam filter.

 

[Cdomains]

I am pretty sure putting a domain link in the subject is not a good idea for spam filter.

Yes, I agree.

Just wondering what is working for other NP members