matt
/
opnform-host-nginx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve Email Notification Message-ID and Threading Generation 

- Refactor email header generation for form submission notifications
- Use MD5 hashed submission ID for more consistent message threading
- Remove timestamp from Message-ID and Thread-Index generation
- Ensure emails are threaded only by submission ID
- Simplify header creation logic for better email client compatibility
This commit is contained in:
Julien Nahum 2025-03-06 13:21:12 +08:00
parent a59b46665c
commit 8894880cb9
1 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
api/app/Notifications/Forms/FormEmailNotification.php
View File

@ -161,14 +161,11 @@ class FormEmailNotification extends Notification
{
$formId = $this->event->form->id;
$submissionId = $this->event->data['submission_id'] ?? 'unknown';
$hashedSubmissionId = md5($submissionId);
$domain = Str::after(config('app.url'), '://');
$timestamp = time();
// Create a unique Message-ID for each submission
$messageId = "<form-{$formId}-submission-{$submissionId}-{$timestamp}@{$domain}>";
// Create a References header that links to the form, but not to specific submissions
$references = "<form-{$formId}@{$domain}>";
// Create a unique Message-ID for each submission (without timestamp)
$messageId = "<form-{$formId}-submission-{$hashedSubmissionId}@{$domain}>";
// Add our custom Message-ID as X-Custom-Message-ID
$message->getHeaders()->addTextHeader('X-Custom-Message-ID', $messageId);
@ -176,11 +173,12 @@ class FormEmailNotification extends Notification
// Add X-Entity-Ref-ID header for Google+ notifications
$message->getHeaders()->addTextHeader('X-Entity-Ref-ID', $messageId);
// Add References header
$message->getHeaders()->addTextHeader('References', $references);
// Add References header with the same value as Message-ID
// This ensures emails are only threaded by submission ID, not by form ID
$message->getHeaders()->addTextHeader('References', $messageId);
// Add a unique Thread-Index to further prevent grouping
$threadIndex = base64_encode(pack('H*', md5($formId . $submissionId . $timestamp)));
$threadIndex = base64_encode(pack('H*', md5($formId . $submissionId)));
$message->getHeaders()->addTextHeader('Thread-Index', $threadIndex);
}