spam and SPF Record

I am having some problem with one of the domain that some one is sending email that email address belongs to me but the email looks like come from but i never sent email

I get this email once everyother day

email admin@domain.com

I gets email from admin@domain.com for some job

I was reading on the internet that I Need to make sure that spf is enabled

when i check the dns configration it is on and setup

You think there is anything i Can do to stop or minimize

Status: 
Active

Comments

Howdy -- next time you receive an email like that, can you show us the email headers associated with that email?

In those headers will be some headers that SpamAssassin sets, which should help us understand if the SPF record is working, and will show some other traits about the email as well.