Mails sent by PHPMailer becomes spam
1673
How do you make sure email you send programmatically is not automatically marked as spam?
127062
PHPMailer - gmail smtp not working properly
135325
PHPMailer v. mail() for a simple Contact Form
99619
Stop cron from mailing the user
76014
How does Stack Overflow handle spam?
82063
Gmail and Hotmail marked as spam
6993
PHP new line break in emails
131748
SQL Mail Failing To Send
126325
Fail to send mail using JavaMail API
18894
PHP : send mail in localhost
78429
HTML in php mail function
97434
^@ spam in tty (but seems to be system-wide)
36752
Why does gmail think mail my server sends is a spam?
89665
PHP: Check who had read sent email?
4576
php mail bcc multiple recipients
85262
When an email is forwarded, does it lose its original headers?
150090
Should I sanitize an email address before passing it to the is_email() function?