Headers are below. Some people receiving my emails find them in spam folder. Probably because of the thing I was asking about....
I am afraid is not that. I double checked. I even send the email from shell. Same result. Sendmail is the one who add that thing. My client only...
Hello, I am sending mail from with sendmail and when someone receives an email from me , the headers say this: from mydomain.com...
Separate names with a comma.