php mail() function gets spam email

Question

All my emails I am sending in local WAMP or on server, with PHP mail() function, goes to SPAM folder always.

While looking for the issue, I found we\'ve to set heade

Answer 1

Take a close look at the SMTP headers from the messages that are getting flagged as possible spam. Many spam filters will add a few lines listing the reasons a message was flagged; for example, if the sending IP address is blacklisted for some reason, there might be a header describing which blacklists you're listed in.