Error when requesting password reset email – wp authentication
Sounds like a server configuration problem, not a WordPress thing. You said you were using Rackspace? I don’t have personal experience with Rackspace but it appears that they have some known issues with the default PHP mail() function. See: http://feedback.rackspace.com/forums/71021-product-feedback/suggestions/1873281-fully-support-php-mail-function- http://www.joshuawinn.com/huge-email-delays-on-rackspace-cloud-sites-dont-use-php-mail/ The primary issue is that sending straight through mail() doesn’t authenticate the sender, using … Read more