PHPMailer mails goes straight to Spam
1673
How do you make sure email you send programmatically is not automatically marked as spam?
73153
How to get rid of my spamming notification?
125562
Send email using the GMail SMTP server from a PHP page
148955
Gmail treats mails from my domain as spam. Why? How to avoid it?
67509
How to block "via" senders in Gmail
69984
Is there any way to block spam in Google Drive?
66665
How to prevent an email from accidentally being forwarded?
70108
Failed to send HTML mails using PHP mail()
106626
Thunderbird junk mail filter problems
92234
How do I filter messages that are sent to a single recipient?
140528
How to Prevent SPAM without CAPTCHAs or a Centrally managed system (e.g. akismet)
92012
Obfuscate spam in page title as well
15143
Sending email with PHP from an SMTP server
50034
How can I send an email using PHP?
125586
PHP mail not showing up at Gmail but shows up at Hotmail and other 3rd party/ISP account
78429
HTML in php mail function
32207
Way to list "Contact Us" email address on web site, yet reduce likelihood of spam?