My website is ad-supported. There are no complex actions or special knowledge required to use my web application. I get visitors with the help of an invite system, so it is very important to get invite emails delivered correctly.
I did. I created two Hotmail accounts for testing. I tried sending mails from PHP using the mail() function and through the PHPMailer library (http://phpmailer.sf.net/). I also tried sending mails through Thunderbird and through my hosting service's webmail interface. My messages always have been marked as spam.
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My website is ad-supported. There are no complex actions or special knowledge required to use my web application. I get visitors with the help of an invite system, so it is very important to get invite emails delivered correctly.
I did. I created two Hotmail accounts for testing. I tried sending mails from PHP using the mail() function and through the PHPMailer library (http://phpmailer.sf.net/). I also tried sending mails through Thunderbird and through my hosting service's webmail interface. My messages always have been marked as spam.
My domain has a SPF record but my emails are still being marked as spam.