why all of a sudden are some people not receiving my e-mails?

[harvey]

I am having trouble sending e-mails from all of my accounts. I am sending
them to people that have received my e-mails in the past, but are not
receiving them now. I am having particular trouble with people who are
signed up with cox.net. I do not get a message advising that my e-mails
bounced back which tells me that they are probably being received but
quaranteened in spam filters or something. Any suggestions what I can do to
fix this problem?

Thanks

 

[DL]

Its not your problem, its theirs, and for them to sort out