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Mail Parser: Add logic when creating ITFlow folder to determine if the namespace is INBOX. or can be created in root directory. Fixes issue with CPanel Dovecot Maildir++ configuration where their namespace is just INBOX

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johnnyq
2026-07-08 15:58:00 -04:00
parent de6d2b1595
commit ae5c9fe8ec
1 changed files with 59 additions and 3 deletions
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62
cron/ticket_email_parser.php
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@@ -597,11 +597,67 @@ try {
$inbox = $mailbox->inbox();
$targetFolderPath = 'ITFlow';
// Resolve the processed-mail folder in a namespace-aware way.
// Most servers (Gmail, M365, Dovecot with an empty namespace prefix) allow
// root-level folders, so "ITFlow" is preferred. cPanel-style Dovecot uses a
// Maildir++ layout where the personal namespace prefix is "INBOX." - root
// CREATE fails there with "Client tried to access nonexistent namespace",
// and the folder must be addressed as "INBOX.ITFlow" (clients still display
// it as a top-level folder alongside Inbox).
$targetFolderName = 'ITFlow';
try {
$targetFolder = $mailbox->folders()->firstOrCreate($targetFolderPath);
// INBOX always exists (RFC 3501) - use it to learn the hierarchy delimiter
// (ImapEngine returns the literal string "NIL" for servers with a flat namespace)
$delimiter = $mailbox->folders()->findOrFail('INBOX')->delimiter();
if ($delimiter === '' || strcasecmp($delimiter, 'NIL') === 0) {
$delimiter = '.';
}
// Candidate paths, in order of preference
$candidates = [
$targetFolderName, // Root-level (empty namespace prefix)
'INBOX' . $delimiter . $targetFolderName, // INBOX-prefixed namespace (e.g. cPanel Dovecot)
];
// Re-use the folder if it already exists at either location
$targetFolder = null;
foreach ($candidates as $candidate) {
if ($targetFolder = $mailbox->folders()->find($candidate)) {
$targetFolderPath = $candidate;
break;
}
}
// Otherwise create it, falling back to the namespace-prefixed path if the
// server rejects root-level creation
if (!$targetFolder) {
$creation_errors = [];
foreach ($candidates as $candidate) {
try {
$targetFolder = $mailbox->folders()->create($candidate);
$targetFolderPath = $candidate;
break;
} catch (\Throwable $e) {
$creation_errors[] = "[$candidate]: " . $e->getMessage();
}
}
if (!$targetFolder) {
throw new \Exception("CREATE rejected for all candidate paths - " . implode(' / ', $creation_errors));
}
// Subscribe to the newly created folder so it's visible in mail clients
// that only display subscribed folders (common with Dovecot/Roundcube).
// Non-fatal - some servers ignore or reject SUBSCRIBE entirely.
try {
$mailbox->connection()->subscribe(
\DirectoryTree\ImapEngine\Support\Str::toImapUtf7($targetFolderPath)
);
} catch (\Throwable $e) {
logApp("Cron-Email-Parser", "warning", "Created folder [$targetFolderPath] but could not subscribe to it: " . $e->getMessage());
}
}
} catch (\Throwable $e) {
logApp("Cron-Email-Parser", "error", "Unable to find/create target folder [$targetFolderPath]: " . $e->getMessage());
logApp("Cron-Email-Parser", "error", "Unable to find/create target folder [$targetFolderName]: " . $e->getMessage());
@unlink($lock_file_path);
exit(1);
}