Configuration of PHP Mailer and hints to avoid Spam Filters
1673
How do you make sure email you send programmatically is not automatically marked as spam?
86755
Postfix acting like an open relay for domain mailboxes
26778
Email verification for new users
124902
Protect email addresses in the user description from bots
135308
php email form issue
92012
Obfuscate spam in page title as well
121900
sending mail with php & escaping hotmails junk folder
56316
How to validate an Email in PHP?
26454
PHP mail: All emails are received in the SPAM folder
79296
How to validate an email address in PHP
113149
Is there a code obfuscator for PHP?
49281
"Masquerade" mail sender on a multi-domain shared hosting
154461
View filter(s) that are currently being applied to an email message
54520
What are the best practices for avoiding xss attacks in a PHP site
139180
Why is my e-mail still being picked up as spam? Using mail() function
99619
Stop cron from mailing the user
48156
How do I leave mail at the registrar while serving the web from host?