query: mail are going into spam folder of users, why this is happening, please suggest me the changes in following code snippet
positive_passages.docid: 1673
positive_passages.text: How do you make sure email you send programmatically is not automatically marked as spam?
negative_passages.docid: 97434
negative_passages.text: ^@ spam in tty (but seems to be system-wide)
negative_passages.docid: 120416
negative_passages.text: Spam module for human spammers
negative_passages.docid: 88885
negative_passages.text: misspelled "chcecked" in the notification mail
negative_passages.docid: 123216
negative_passages.text: Massive spam users and spam entries despite triple layer protection
negative_passages.docid: 144234
negative_passages.text: How can I reduce the number of spammers registering with my phpBB site?
negative_passages.docid: 26778
negative_passages.text: Email verification for new users
negative_passages.docid: 136322
negative_passages.text: Same e-mail user, different address?
negative_passages.docid: 116615
negative_passages.text: Good review audit has "possible spam" warning?
negative_passages.docid: 8904
negative_passages.text: How to identify spammy domains giving backlinks to my site (to submit in disavow links in WMT)
negative_passages.docid: 73116
negative_passages.text: How to stop spam in comments
negative_passages.docid: 137732
negative_passages.text: What's the best way to report SPAM user accounts?
negative_passages.docid: 123727
negative_passages.text: Can someone help me to send mail in PHP
negative_passages.docid: 1295
negative_passages.text: Effective method to hide email from spam bots
negative_passages.docid: 72937
negative_passages.text: Finding user using an email address
negative_passages.docid: 85262
negative_passages.text: When an email is forwarded, does it lose its original headers?
negative_passages.docid: 146131
negative_passages.text: incoming mail just sits in the drop folder