Thanks for your quick reply, Bruce. It is possible that my web host in running a caching service. (I use ZippyKid managed WordPress hosting).
Here are the results of the server check.
Server Scan By: s2Member®Test Email Functionality?
The following issues were discovered...
Tip: Notices/warnings can be dismissed (if you MUST); please read carefully.
[NOTICE] WordPress® Memory LimitAUTO-FIX!dismiss?
Although NOT required, s2Member® recommends that you raise your WordPress® memory limit (please set: WP_MEMORY_LIMIT in /wp-config.php), to at least 64M (i.e. 64 megabytes). Please see: this how-to article. Or consult with your web hosting company about this message. Your current memory limit allows only: 32M
[NOTICE] WordPress® Debugging ModeAUTO-FIX!dismiss?
Although NOT required, s2Member® recommends that your WordPress® installation be configured NOT to run in debugging mode (please set: WP_DEBUG to FALSE in /wp-config.php). If you decide to leave WP_DEBUG enabled, please take note... In WP_DEBUG mode, WordPress® will log debug messages into this file: /wp-content/debug.log. Please make ABSOLUTELY sure this file is NOT publicly accessible, as it may contain sensitive server details (in some cases). Please see this article for further details. Or consult with your web hosting company about this message.
You passed on all of these scans :-)
[PASS] PHP Version
You are currently running PHP 5.3.18-1~dotdeb.0. Minimum required version is: 5.2
[PASS] WordPress® Version
You are currently running WordPress® 3.4.2. Minimum required version is: 3.2
[PASS] Multibyte String Extension
The mbstring extension is installed. Your server supports UTF-8 character conversion.
[PASS] ZLib Extension (GZIP)
The zlib extension is installed. Your server supports GZIP compression.
[PASS] Default Hash Extension
The Hash extension is installed. Comes with every installation of PHP. Your server supports message digests.
[PASS] Default XML Parser Extension
The XML Parser extension is installed. Comes with every installation of PHP. Your server supports XML parsing.
[PASS] Default libXML Extension
The libXML extension is installed. Comes with every installation of PHP. Your server supports this important dependency.
[PASS] Default Simple XML Extension
The Simple XML extension is installed. Comes with every installation of PHP. Your server can convert XML into PHP objects.
[PASS] Default XML Reader Extension
The XML Reader extension is installed. Comes with every installation of PHP. Your server has the ability to read XML documents.
[PASS] Default XML Writer Extension
The XML Writer extension is installed. Comes with every installation of PHP. Your server has the ability to write XML documents.
[PASS] Default DOM Extension
The DOM extension is installed. Comes with every installation of PHP. Your server supports XML document traversal.
[PASS] Default Sessions Extension
The Sessions extension is installed. Comes with every installation of PHP. Your server allows read/write access to session data.
[PASS] MySQL Database Extension
The MySQL extension is installed. Your server supports MySQL database communication.
[PASS] Mcrypt/Encryption Extension
The Mcrypt extension is installed. Your server supports advanced data encryption.
[PASS] Default JSON Extension
The JSON extension is installed. Comes with every installation of PHP. Your server supports JavaScript object notation.
[PASS] GD Image Extension (JPEG/PNG/FreeType)
The GD Image extension is installed. Your server supports dynamic image creation.
[PASS] Default Fileinfo Extension
The Fileinfo extension is installed. Comes with every installation of PHP 5.3+. Your server supports MIME type detection.
[PASS] Default Ctype Extension
The Ctype extension is installed. Comes with every installation of PHP. Your server supports character class detection.
[PASS] PHP eval() Function
The eval() function is available.
[PASS] PHP ini_get() Function
The ini_get() function is available.
[PASS] cURL Extension With SSL Support
The cURL extension for remote communication via PHP is available (and the OpenSSL extension for PHP is enabled).
[PASS] INI fopen() URL With SSL Support
The setting allow_url_fopen is on in your php.ini file (and the OpenSSL extension for PHP is enabled).
[PASS] OpenSSL Extension With openssl_sign()
The OpenSSL extension is installed, and PHP function openssl_sign() is available.
[PASS] Temporary Files Directory
A readable/writable temporary files directory was found here: /tmp
[PASS] $_SERVER['DOCUMENT_ROOT']
Your server reports this value: /htdocs
[PASS] $_SERVER['HTTP_HOST']
Your server reports this value: www.xyz.com
[PASS] $_SERVER['REQUEST_URI']
Your server reports this value: /s2member-server-check-120703.php
[PASS] $_SERVER['REMOTE_ADDR']
Your server reports this value: xx.xx.xx.xxx
[PASS] $_SERVER['HTTP_USER_AGENT']
Your server reports this value: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/536.26.17 (KHTML, like Gecko) Version/6.0.2 Safari/536.26.17
[PASS] $_SERVER['SERVER_ADDR']
Your server reports this value: 10.176.161.85
[PASS] WordPress® MAX Memory Limit
Your WordPress® MAX memory limit (WP_MAX_MEMORY_LIMIT in /wp-config.php, or by default), is set to: 256M
[PASS] WordPress® External HTTP Requests
Your WordPress® External HTTP Requests (WP_HTTP_BLOCK_EXTERNAL in /wp-config.php, or by default), is set to: FALSE
[PASS] WordPress® DB Charset
Your WordPress® database charset (DB_CHARSET in /wp-config.php, or by default), is set to: utf8
[PASS] WordPress® DB Collation
Your WordPress® database collation (DB_COLLATE in /wp-config.php, or by default), is set to: an empty string
[PASS] WordPress® Character Encoding
Your WordPress® installation is operating with UTF-8 encoding, under: WordPress -› Settings -› Reading -› Encoding.
[PASS] WordPress® Home URL
Your WordPress® home URL is configured to run on: www.recoverysuperstar.com, and that matches the current host name: www.recoverysuperstar.com
[PASS] WordPress Site URL
Your WordPress® site URL is configured to run on: www.xyz.com, and that matches the current host name: www.xyz.com
What do you recommend? If I need to get help from the managed hosting company what do I need to ask of them?
There are a few plugins that were installed and activated by the host: Debug Bar, Developer, Log Deprecated Notices and Use Google Libraries. Not sure if this is relevant.
Thanks for your help!
Lauren