Hi,
I set up a site a while ago for someone, and have a system where the admin can email members registered on the site. I am using the following basic headers: (It's only very short text-only messages)
[replaced original details with xxx of course]Code:$headers="From:XXXXX<xxx@xxx.com>\n"; $headers.="Reply-To:xxx@xxx.com\n"; $headers.="X-Mailer: PHP/".phpversion();
This has worked fine with no problems for ages, however now we have suddenly noticed that in outlook and in some other mail clients, messages are being flagged as spam. We haven't changed anything on the system, and messages are generally a very similar format. They are not sent out in bulk by any means, and the area is both password protected and the referrer checked. I can only think it may be a problem with the headers?
Anyone have any suggestions?
Social Networking Bookmarks