diff -upr email_verify/email_verify.inc.php email_verify_new/email_verify.inc.php
--- email_verify/email_verify.inc.php	2011-04-17 19:47:42.000000000 -0500
+++ email_verify_new/email_verify.inc.php	2011-04-17 19:53:41.000000000 -0500
@@ -20,6 +20,11 @@ function _email_verify_check($mail) {
     return t('Email host %host invalid, please retry.', array('%host' => "$host"));
   }
 
+  // If Install found port 25 closed, we can't test mailboxes
+  If (variable_get('email_verify_skip_mailbox',FALSE)) {
+    return;
+  }
+
   // What SMTP servers should we contact?
   $mx_hosts = array();
   if (!getmxrr($host, $mx_hosts)) {
diff -upr email_verify/email_verify.install email_verify_new/email_verify.install
--- email_verify/email_verify.install	2011-04-17 19:47:42.000000000 -0500
+++ email_verify_new/email_verify.install	2011-04-17 19:53:41.000000000 -0500
@@ -25,6 +25,20 @@ function email_verify_enable() {
 
   include_once dirname(__FILE__) .'/windows_compat.inc';
 
+  // If a previous enable found port 25 closed, don't test it again.
+  // Testing can cause a long delay on module enable. Use uninstall/re-install to re-test.
+  If (variable_get('email_verify_skip_mailbox',FALSE)) {
+    return;
+  }
+
+  // Check if fsockopen() is disabled. http://www.php.net/manual/en/function.function-exists.php#67947
+  if (!function_exists('fsockopen')) {
+    $message = t('Email Verify will test email domains but not mailboxes because your host has disabled the function fsockopen() for security.');
+    variable_set('email_verify_skip_mailbox',TRUE);
+    drupal_set_message($message, 'warning');
+    return;
+  }
+  
   if (!getmxrr($host, $mx_hosts)) {
     // When there is no MX record, the host itself should be used
     $mx_hosts[] = $host;
@@ -45,16 +59,16 @@ function email_verify_enable() {
   }
 
   if (!$connect) {
-    $message = t('Email verify has tried contacting the mail host but did not receive a reply.'
-      .' Check with your hosting provider that the function fsockopen() is properly configured on your server,'
-      .' and that port 25 is open. The module has been disabled.');
-
-    watchdog('email_verify', $message, WATCHDOG_ERROR);
-    drupal_set_message($message, 'error');
-    module_disable(array('email_verify'));
+    $message = t('Email Verify will test email domains but not mailboxes because port 25 is closed on your host\'s firewall for security.');
+    variable_set('email_verify_skip_mailbox',TRUE);
+    drupal_set_message($message, 'warning');
   }
 }
 
-// Local Variables:
-// mode: php
-// End:
+/**
+ * Remove variables on uninstall.
+ */
+function email_verify_uninstall() {
+  db_query("DELETE FROM {variable} WHERE name LIKE 'email_verify_%'");
+  cache_clear_all('variables', 'cache');
+}
Only in email_verify_new: po