Title: Strange Initial Install Issue
Last modified: July 9, 2026

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# Strange Initial Install Issue

 *  [WP CMS Ninja](https://wordpress.org/support/users/billiardgreg/)
 * (@billiardgreg)
 * [2 weeks, 2 days ago](https://wordpress.org/support/topic/strange-initial-install-issue/)
 * I am seeing a strange issue on initial install. After I install and try to browse
   the site, it brings me to **[https://domain.com/wp-admin/admin.php?page=postman/configuration_wizard](https://domain.com/wp-admin/admin.php?page=postman/configuration_wizard)**
   with a forward slash not encoded, it is throwing a “Sorry, you are not allowed
   to access this page.” message. If I delete /configuration_wizard from the URL
   or change the / to %2F in the URL I can get it to load. But its almost like the
   browser isn’t doing a URL encode the first time it tries to load. While it doesn’t
   stop installation once bypassed I figured I would at least mention what I am 
   seeing.

Viewing 1 replies (of 1 total)

 *  Plugin Support [M Aqib Khan](https://wordpress.org/support/users/aqibkhan9/)
 * (@aqibkhan9)
 * [1 week, 5 days ago](https://wordpress.org/support/topic/strange-initial-install-issue/#post-18963355)
 * Hi,
 * Thanks for reporting this in such detail.
 * There was a similar issue reported previously where non-Administrator users would
   encounter this error after activating the plugin. That issue was addressed in
   Post SMTP v3.9.5.
 * However, the specific behavior you’re describing, where the unencoded `/` in 
   the URL causes the wizard to fail, appears to be a separate edge case. Replacing`/`
   with `%2F` works because `%2F` is the correct URL-encoded representation of a
   forward slash.
 * We’ve tried reproducing this behavior on our end but haven’t been able to replicate
   it so far.
 *  If you encounter this on a fresh installation, you can either:
    - Replace the `/` before `configuration_wizard` in the address bar with `%2F`,
      or
    - Navigate directly to Post SMTP > Settings from the WordPress admin menu.
 * We’ll continue investigating this scenario. Thanks again for bringing it to our
   attention.

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 2 participants
 * Last reply from: [M Aqib Khan](https://wordpress.org/support/users/aqibkhan9/)
 * Last activity: [1 week, 5 days ago](https://wordpress.org/support/topic/strange-initial-install-issue/#post-18963355)
 * Status: not resolved