-
Search Results
-
In reply to: Custom Lead Form with Email OTP Verification & Expi
Hi Guilherme Souza,
Hope you are well. Thank you for your detailed inquiry about implementing a software download experience with WP Download Manager.
Answers to Your Specific Questions:
1. Software Selection & Lead Capture – Is this available?
Yes, absolutely. WPDM supports comprehensive lead capture and form customization:
–
Downloads > Package > Lock Options > Email Lock
– Built-in email collection before download
– Optional name field capture
– Custom form fields support via hooks
– Form Lock Add-on (Pro)
– Enhanced multi-field forms for lead capture
– Support for Name, Email, Company, and custom fields
– Seamless integration with download access control2. Inline Email OTP Verification – Is this available?
This feature requires custom development. While WPDM has a 2FA add-on that provides email OTP technology, it’s specifically designed for WordPress user login authentication
For your exact workflow requiring email OTP for download access, you would need:– WPDM Custom Upgrade Service: https://www.wpdownloadmanager.com/download/custom-upgrade-service/
– Custom development to integrate email OTP with download lock system
– Inline verification interface on download pages3. Seamless Download Access – Is this available?
Yes, this is fully available:
–
Downloads > Package > Lock Options > Email Lock > Download Instantly Mode
– Provides immediate access after form submission
– No page reloads required
– Seamless user experience4. No Link Expiration – Is this configurable?
Yes, link expiration is fully configurable:
–
Downloads > Settings > Basic > Private Download Link Expiration Period
– Configurable in minutes, hours, or days
– Can be set to extended periods to meet your requirements
– No expiration is achievable through appropriate configurationImplementation Recommendations:
Option 1: Use Available Features (Immediate Solution)
Setup Process:
1. Enable Email Lock in your package settings
2. Configure custom form fields for software version, architecture, company, etc.
3. Set “Download Instantly” mode for seamless access
4. Configure link expiration to maximum periodAvailable Features:
– ✅ Multi-field lead capture
– ✅ Software selection capabilities
– ✅ Download instantly after verification
– ✅ Configurable/extended link expiration
– ✅ Professional email delivery of download linksAdd-ons:
Form Lock – Ask users to fill a form to get access to download
Option 2: Custom OTP Development (Advanced Solution)
For Your Exact Email OTP Workflow:
– Contact WPDM Custom Upgrade Service
– Specify requirements for email OTP verification system
– Request inline verification interface
– Integration with existing download lock systemContact: https://www.wpdownloadmanager.com/download/custom-upgrade-service/
Please kindly check and let me know if you have any queries more.
Thank you and regards
In reply to: Cache control / CDN / bandwidth growth
Hi Christopher,
Thank you for your detailed inquiry about bandwidth and caching behavior in WP Download Manager Pro. I’ve analyzed the plugin’s code and settings to provide accurate answers to your questions.
1. Is the changing refresh parameter required for security or download tracking?
Yes, both. The dynamic refresh parameter is generated automatically on each page load and serves multiple purposes:
– Access Control: Prevents unauthorized hotlinking and ensures each download request goes through proper validation
– Download Tracking: Enables accurate download statistics by preventing browser/CDN caching from interfering with count tracking
– Security: Works in conjunction with access keys to manage permissions and prevent session abuse2. Does WP Download Manager intentionally serve files as non-cacheable responses?
Yes, absolutely. The plugin intentionally prevents caching of download responses by setting cache-control headers. This is by design for several reasons:
– Access Control: Ensures that permission checks happen on every request
– Download Statistics: Prevents caching from interfering with accurate download counts
– Security: Prevents unauthorized users from accessing cached filesThe plugin architecture fundamentally requires that downloads go through PHP processing, which conflicts with traditional CDN caching approaches.
3. Are downloads routed through PHP rather than served directly as static files?
Yes, all downloads are processed through PHP. Every file request goes through the plugin’s download handler which enables:
– Access control validation
– Download speed limiting
– Download limit enforcement
– File integrity checks
– Download history tracking4. Is there a recommended configuration for CDN/edge caching while preserving download statistics?
This is challenging because the plugin’s architecture conflicts with traditional CDN caching. However, you can optimize performance using these settings:
Available Performance Settings:
Downloads > Settings > Basic > Cache created zip file from multi-file package
– Enable this to cache ZIP files created from multi-file packages, reducing server load for repeated downloadsDownloads > Settings > Basic > Download Speed
– Adjust this setting (in KB/s) to control bandwidth usage per download
– Lower values conserve bandwidth but increase download timeDownloads > Settings > Basic > Resumable Downloads
– Enable/disable support for pause/resume functionality
– Can affect bandwidth if users resume partially downloaded filesDownloads > Settings > Basic > Output Buffering
– Enable/disable output buffering optimization
– If you experience broken downloads, try toggling this optionCDN Approaches:
1. Hybrid Approach: Use CDN for page assets but keep downloads through your origin server
2. Statistics Separation: Consider implementing download statistics separately using analytics tools
3. Custom Development: For enterprise CDN integration, you’d need custom development with signed URLs5. Are there known bandwidth or scalability considerations for large public document libraries?
Yes, several considerations:
– PHP Processing Overhead: Each download invokes PHP, consuming server resources even for static files
– Server Configuration: The plugin provides several bandwidth-related settings inDownloads > Settings > Basic
– Memory Usage: Large files are processed through PHP’s output buffering (configurable in settings)
– Download Limits: You can configure parallel download restrictions to manage server load6. What is the recommended architecture for organizations serving thousands of PDF downloads per month?
Immediate Optimizations Using Plugin Settings:
Downloads > Settings > Basic > Parallel Download
– Control whether multiple simultaneous downloads from the same IP are allowed
– Helps manage server load during high traffic periodsDownloads > Settings > Basic > Cache created zip file from multi-file package
– Reduces repeated file processing for multi-file packages
– Significantly improves performance for package downloadsDownloads > Settings > Basic > Download Speed
– Configure appropriate speed limits to manage bandwidth consumption
– Balance between user experience and server resourcesDownloads > Settings > Privacy > Auto clean cache dir & temporary storage everyday
– Keeps your cache directory optimized for performanceLong-term Solutions:
1. Server Optimization: Ensure your WordPress installation is properly optimized for high traffic
2. Caching Strategy: Use WordPress caching plugins for page content while keeping the plugin’s download handling intact
3. CDN for Assets: Implement CDN for CSS, JS, and images while keeping downloads through your origin
4. Load Balancing: Consider load balancing solutions for very high traffic
Downloads > Settings > Basic > Parallel Download
– Control whether multiple simultaneous downloads from the same IP are allowed
– Helps manage server load during high traffic periodsDownloads > Settings > Basic > Cache created zip file from multi-file package
– Reduces repeated file processing for multi-file packages
– Significantly improves performance for package downloadsDownloads > Settings > Basic > Download Speed
– Configure appropriate speed limits to manage bandwidth consumption
– Balance between user experience and server resourcesDownloads > Settings > Privacy > Auto clean cache dir & temporary storage everyday
– Keeps your cache directory optimized for performanceThe plugin prioritizes security, access control, and accurate statistics over raw performance and CDN compatibility. This architecture works well for moderate traffic but requires careful optimization for high-volume scenarios.
For your specific use case with large public PDF libraries, I’d recommend:
1. Start with the optimization settings mentioned above
2. Monitor your bandwidth and server performance
3. Consider the hybrid CDN approach for non-download assets
4. For enterprise-scale needs, contact our developers here, https://www.wpdownloadmanager.com/download/custom-upgrade-service/ about custom solutionsPlease kindly check and let me know if you have any queries more.
Thank you and regards
Hi WPDM Support Team,
I am planning to build a software download experience on our WordPress site similar to this workflow: https://downloads.flexconsoftware.com/p/emulation#step-1
Before purchasing, we would like to confirm if your plugin (along with any of your official add-ons) can handle this exact flow:
1. Software Selection & Lead Capture: A user arrives at the download page, selects the desired software version/architecture (e.g., Windows 64-bit, macOS, Linux), and fills out a multi-field form (Name, Email, Company, etc.).
2. Inline Email OTP Verification: Upon submitting the email, the system generates a 6-digit OTP code (or a verification link) sent to the user’s inbox. The user enters this code on the same page (or verifies it via link) to confirm ownership.
3. Seamless Download Access: Once verified, the download is unlocked instantly without requiring page reloads or forcing a traditional password-based registration.
4. No Link Expiration: The access/download link provided after verification must not expire over time.Could you please advise if this setup can be achieved using WPDM and its add-ons, or if you recommend integrating WPDM with a form plugin (e.g., Elementor Pro Forms / Fluent Forms) + an OTP verification tool?
Looking forward to your guidance!
Best regards,
In reply to: spacing between categories
Tahasin
Yes, exactly. And those very intervals are to be reduced.Here the Template:
<div class=”col-6-100″>
<div class=”link-template-default card mb-2″>
<div class=”card-body”>
<div class=”row row-cols-1 row-cols-md-3 g-3 align-items-center”><!– Spalte 1: Icon –>
<div class=”col-auto text-left text-md-start”>
<div class=”img-48″>[icon]</div>
</div><div class=”col flex-grow-1″>
<h3 class=”package-title mb-1″ style=”color:#666666; font-size:1.1em; font-weight:600;”>[title]</h3>
<div class=”mb-2″ style=”color:#808080; font-size:13px; font-weight:400; line-height: 1.4;”>[description]</div>
<div class=”text-muted small”>
<span style=”color:#808080;”><i class=”far fa-file-pdf me-1″></i> [file_size]</span>
</div>
</div><div class=”col-12 col-md-auto text-md-end”>
<div class=”d-grid d-md-block”>
[download_link]
</div>
</div></div>
</div>
</div>
</div>In reply to: Invalid Download Link
It is not working for guest users on our site. We have renewed your temp admin access since yesterday for a week.
I sent you the log to your email address.
The logs show:
The download page returned HTTP 200.
A related admin-ajax.php request returned HTTP 400.
/wp-json/wpdm/email-to-download returned HTTP 200.
The generated email download URL returned HTTP 200, but its response was only 1,220 bytes.The browser displayed “Invalid Download File” when opening the generated email link. Since the final request returned only 1,220 bytes, it appears the plugin may be returning the error message inside an HTTP 200 response rather than serving the actual file.
Please check the token validation, guest-session handling, and file-index validation for the generated email link.
In reply to: post_content does not work
I have a download page with this block:
[wpdm_all_packages login=0 thumb=1 items_per_page="20" categories="EFI ECT DN" jstable=1 order_by="title" order="ASC" cols="title,file_count,download_count|publish_date|post_content|download_link" colheads="Title|Date|Description|Download::155px"]
The post_content, as you said, is non longer available and I would like to know how to replace this column name in order to view the post text.
For example, a download in the “EFI ECT DN” category contains the following text:
New features and fixed problems in version 4-12-749-0 (Released 2024-07-03)
Full version history
<p class=”sectionedit2 page-header pb-3 mb-4 mt-5″>Online documentation</p>If I replace the “post_content” column name with the “description” column name in the wpdm_all_packages block, I don’t see anything in the “Description” column. If I replace the “post_content” column name with “exerpt” in the wpdm_all_packages block, I see the post text, but as plain text and not as HTML.
Is there a way to display the post’s HTML text in the “Description” field?
Topic: post_content does not work
On some pages I have blocks similar to this one
[wpdm_all_packages login=0 thumb=1 items_per_page="20" categories="XYZ" jstable=1 order_by="title" order="ASC" cols="title,file_count,download_count|publish_date|post_content|download_link" colheads="Title|Date|Description|Download::155px"]
I can see all the details except post_content (this column displayed correctly in previous versions). How can I fix this?
In reply to: Invalid Download Link
In reply to: Regarding Tree View Issue
Hello Toinette,
Thank you for your detailed description of the issue. Please kindly check this doc here too, https://www.wpdownloadmanager.com/doc/wpdm-extended-shortcodes/, The plugin doesn’t include an HTML5 audio player or click-to-play capability. Packages files only link to package pages or direct downloads. I hope you have understood. Please kinldy check.
Thank you
In reply to: Invalid Download Link
In reply to: Invalid Download Link
Any update on this issue? I just discovered that downloads are resolving to an “invalid download link” on my site, as well.
In reply to: problemi con la licenza pro
In reply to: Only one download link, out of 490, doesn’t work
In reply to: Invalid Download Link
It’s been a week since we’ve been troubleshooting a site-wide “Invalid download link” error, every package fails identically for guests, including a brand new test package with zero settings applied. Here’s what we’ve ruled out so far, each tested directly with before/after verification:
CleanTalk: confirmed not blocking, their own test request was approved and logged
FlyingPress cache: purged fully, added wpdmdl to Cache Exclusions, Delay JS Exclusions, and Include CSS Selectors, no change
Permalinks: flushed rewrite rules, no change
Package settings: tested with lock options off, Download Limit cleared, Cache Zip File disabled, no change
Memcached: confirmed unrelated, ruled out separately
WPDM’s own cache: cleared via Privacy > Clear All Cache, no changeFound this old thread on your own forum from 2019 describing the exact same error message, “— Invalid download link —”, appearing after a plugin update, that time tied to password-protected downloads (our packages are not password protected and free downloads). Wondering if this is a recurring bug in the codebase rather than a site-specific config issue.
Could your team check if that older issue has resurfaced in 7.5.2? Your team has temp admin access. Please release the patch to fix this error.
Thanks
In reply to: Invalid Download Link
On this page, https://wellcare.barkingbird.us/well-owners-network-newsletters/, the top download link, Summer 2026, does not work. Refer to screenshot: https://www.awesomescreenshot.com/image/61785507?key=14f1cf91d0c3dffc2f564ab15086f11d. Clicking it results in a 404 error.
All of the rest of the download links on that page work fine
Note, the package in that particular link contains a pdf that was uploaded directly into WPDM. All of the rest of the packages were created via the Filebase Import Add-On.
I posted this question a couple days ago, but it has since disappeared.
In reply to: Invalid Download Link
We have double checked the issue. Something is blocking the download link for guest users.
It would be very helpful if you could create a staging site for testing. We’ll need to deactivate all plugins except Download Manager to check the issue.
You can also give it a try.Thanks for your understanding.
In reply to: Files listed by Category
Hello Kim Adamof,
Hope you are well. Please kindly check all the shortcodes and demos here, https://www.wpdownloadmanager.com/download/wpdm-directory-add-on/, then choose one shortcode. After choosing, please check if the shortcode has a template parameter. You have to make the template; it is a link template. Please browse
Downloads > Templates > Link Templates, create a link template with the template tags here https://www.wpdownloadmanager.com/doc/template-tags/ according to your requirements. And use that template ID on the shortcode. Please kindly check if it helps you.Thank you
In reply to: Issues with download links in emails
Kindly try adjusting the private download link usage and expiration limit.
In reply to: Issues with download links in emails
Hello,
Thanks for reaching out.
I have checked downloading the package and the download link appeared to be working fine. Here is the recording, screenshotRegards
Hi, I’m having an issue with my website, kdln.it. I use the WPDM plugin to manage file downloads on the “downloads” page (https://kdln.it/en/downloads/). Some files (e.g., 3D, BIM, etc.) require users to enter their name and email address, as the “email lock” option is enabled. The user then receives an email containing the download link.
The strange thing is that some users are receiving broken links. For instance, regarding two links for the same file received via email: the first one displays an “Invalid download link” error, while the second works perfectly. Could you explain why this is happening and tell me how to fix this error?The use of WPDM on our site is not in page or post but exclusively with WPDM lists in this menu: RESOURCES>FISTF Downloads.
So, we use always links like this: https://fistf.com/download/wpdm-test/The appearance is effectively not OK (very big icons).
One strange thing:
- I can access to https://fistf.com/wpdm-test/
- But for https://fistf.com/fistf-event-results-file/ I’m always redirected to https://fistf.com/download/fistf-event-results-file/
Hello,
I tried [wpdm_changelog id="12345"] and also [changelog] but no one works (empty section with icon “changelog” and “[changelog]” displayed).
Here is the source code of the template used.<!-- WPDM Template: Default Template --> <div class="row"> <div class="col-md-5"> <div class="wpdm-button-area mb-3 p-3 card"> [download_link] <div class="alert alert-warning mt-2 [hide_empty:expire_date]"> Download is available until [expire_date] </div> </div> <ul class="list-group ml-0 mb-2"> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:version]"> [txt=Version] <span class="badge">[version]</span> </li> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:download_count]"> [txt=Download] <span class="badge">[download_count]</span> </li> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:file_size]"> [txt=File Size] <span class="badge">[file_size]</span> </li> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:file_count]"> [txt=File Count] <span class="badge">[file_count]</span> </li> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:create_date]"> [txt=Create Date] <span class="badge">[create_date]</span> </li> <li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:update_date]"> [txt=Last Updated] <span class="badge">[update_date]</span> </li> </ul> <div class="card mb-3 p-3 hide_empty [hide_empty:featured_image]">[featured_image]</div> </div> <div class="col-md-7"> <h1 class="mt-0">[title]</h1> [description] <div class="wel"> [tags] </div> </div> <div class="col-md-12"> [changelog] [wpdm_changelog id="21331"] </div> </div>Precision: I activated all free Addons.
PS: in your documentation, you talk about [chanelog] instead of [changelog].
Thank you for your help.
Topic: Invalid Download Link
The straightforward packages to download a software or manual when download link sent to email or has a ready download option giving an error ‘Invalid Download Link’. cleared server and download pro manager cache as well. Nothing works. Settings are same as all other packages. What’s causing the issue?
In reply to: Show inside the posts
This code would work well if I could specify the “Page Templates,” because I can’t stop using the zip across the entire site.
add_filter( 'wdm_before_fetch_template', 'hide_download_link_for_logged_in_users', 10, 3 ); function hide_download_link_for_logged_in_users( $vars, $template, $package ) { if ( is_user_logged_in() ) { $vars['download_link'] = ''; } return $vars; }
