diff --git a/custom/petition-cli.php b/custom/petition-cli.php
index 83746b2..7a746f8 100755
--- a/custom/petition-cli.php
+++ b/custom/petition-cli.php
@@ -7,6 +7,7 @@
  * - View failed email sends from SMTP log
  * - View unconfirmed signatures from petition CSVs
  * - Retry sending emails with rate limiting (250/hour max)
+ * - Mark entries as ignored (for malformed emails etc.)
  * 
  * Usage: php custom/petition-cli.php
  */
@@ -20,6 +21,7 @@ define('BASE_DIR', __DIR__);
 define('DATA_DIR', BASE_DIR . '/data');
 define('PETITIONS_DIR', DATA_DIR . '/petitions');
 define('SMTP_LOG', DATA_DIR . '/smtp-log.csv');
+define('IGNORE_LIST', DATA_DIR . '/petition-ignore.csv');
 
 // Rate limit: 250 emails/hour = 1 email per 14.4 seconds, using 15 seconds
 define('EMAIL_DELAY_SECONDS', 15);
@@ -49,14 +51,93 @@ function getPetitionFiles(): array {
     }, $files);
 }
 
+/**
+ * Load ignore list
+ */
+function loadIgnoreList(): array {
+    if (!file_exists(IGNORE_LIST)) {
+        return [];
+    }
+    
+    $ignored = [];
+    $fp = fopen(IGNORE_LIST, 'r');
+    if (!$fp) {
+        return [];
+    }
+    
+    // Skip header
+    fgetcsv($fp, null, ',', '"', '');
+    
+    // CSV format: timestamp, type, petition_id, email, reason
+    while (($row = fgetcsv($fp, null, ',', '"', '')) !== false) {
+        if (isset($row[3])) {
+            // Key format: type|petition_id|email
+            $key = ($row[1] ?? '') . '|' . ($row[2] ?? '') . '|' . strtolower($row[3]);
+            $ignored[$key] = [
+                'timestamp' => (int)$row[0],
+                'type' => $row[1],
+                'petition_id' => $row[2],
+                'email' => $row[3],
+                'reason' => $row[4] ?? ''
+            ];
+        }
+    }
+    
+    fclose($fp);
+    return $ignored;
+}
+
+/**
+ * Add entry to ignore list
+ */
+function addToIgnoreList(string $type, string $petitionId, string $email, string $reason): bool {
+    $isNewFile = !file_exists(IGNORE_LIST);
+    
+    $fp = fopen(IGNORE_LIST, 'a');
+    if (!$fp) {
+        return false;
+    }
+    
+    if (flock($fp, LOCK_EX)) {
+        if ($isNewFile) {
+            fputcsv($fp, ['timestamp', 'type', 'petition_id', 'email', 'reason'], ',', '"', '');
+        }
+        
+        fputcsv($fp, [
+            time(),
+            $type,
+            $petitionId,
+            $email,
+            $reason
+        ], ',', '"', '');
+        
+        flock($fp, LOCK_UN);
+        fclose($fp);
+        return true;
+    }
+    
+    fclose($fp);
+    return false;
+}
+
+/**
+ * Check if entry is ignored
+ */
+function isIgnored(array $ignoreList, string $type, string $petitionId, string $email): bool {
+    $key = $type . '|' . $petitionId . '|' . strtolower($email);
+    return isset($ignoreList[$key]);
+}
+
 /**
  * Read failed emails from SMTP log
  */
-function getFailedEmails(): array {
+function getFailedEmails(bool $excludeIgnored = true): array {
     if (!file_exists(SMTP_LOG)) {
         return [];
     }
     
+    $ignoreList = $excludeIgnored ? loadIgnoreList() : [];
+    
     $failed = [];
     $fp = fopen(SMTP_LOG, 'r');
     if (!$fp) {
@@ -69,13 +150,20 @@ function getFailedEmails(): array {
     // CSV format: timestamp, type, petition_id, email, status, error_message
     while (($row = fgetcsv($fp, null, ',', '"', '')) !== false) {
         if (isset($row[4]) && $row[4] === 'failed') {
-            $failed[] = [
+            $entry = [
                 'timestamp' => (int)$row[0],
                 'type' => $row[1],
                 'petition_id' => $row[2],
                 'email' => $row[3],
                 'error' => $row[5] ?? ''
             ];
+            
+            // Skip if ignored
+            if ($excludeIgnored && isIgnored($ignoreList, $entry['type'], $entry['petition_id'], $entry['email'])) {
+                continue;
+            }
+            
+            $failed[] = $entry;
         }
     }
     
@@ -101,12 +189,14 @@ function getFailedEmails(): array {
 /**
  * Get unconfirmed signatures from a petition CSV
  */
-function getUnconfirmedSignatures(string $petitionId): array {
+function getUnconfirmedSignatures(string $petitionId, bool $excludeIgnored = true): array {
     $csvPath = PETITIONS_DIR . '/' . $petitionId . '.csv';
     if (!file_exists($csvPath)) {
         return [];
     }
     
+    $ignoreList = $excludeIgnored ? loadIgnoreList() : [];
+    
     $unconfirmed = [];
     $fp = fopen($csvPath, 'r');
     if (!$fp) {
@@ -120,7 +210,7 @@ function getUnconfirmedSignatures(string $petitionId): array {
     while (($row = fgetcsv($fp, null, ',', '"', '')) !== false) {
         if (isset($row[6]) && $row[6] === 'pending') {
             $tokenCreated = isset($row[8]) ? (int)$row[8] : (int)$row[0];
-            $unconfirmed[] = [
+            $entry = [
                 'timestamp' => (int)$row[0],
                 'email' => $row[1],
                 'firstname' => $row[2],
@@ -131,6 +221,13 @@ function getUnconfirmedSignatures(string $petitionId): array {
                 'token_created' => $tokenCreated,
                 'petition_id' => $petitionId
             ];
+            
+            // Skip if ignored
+            if ($excludeIgnored && isIgnored($ignoreList, 'unconfirmed', $petitionId, $entry['email'])) {
+                continue;
+            }
+            
+            $unconfirmed[] = $entry;
         }
     }
     
@@ -145,10 +242,10 @@ function getUnconfirmedSignatures(string $petitionId): array {
 /**
  * Get all unconfirmed signatures from all petitions
  */
-function getAllUnconfirmedSignatures(): array {
+function getAllUnconfirmedSignatures(bool $excludeIgnored = true): array {
     $all = [];
     foreach (getPetitionFiles() as $petitionId) {
-        $all = array_merge($all, getUnconfirmedSignatures($petitionId));
+        $all = array_merge($all, getUnconfirmedSignatures($petitionId, $excludeIgnored));
     }
     
     // Sort by timestamp descending
@@ -268,6 +365,7 @@ function printColor(string $text, string $color): void {
         'green' => "\033[32m",
         'yellow' => "\033[33m",
         'blue' => "\033[34m",
+        'cyan' => "\033[36m",
         'reset' => "\033[0m"
     ];
     
@@ -302,7 +400,8 @@ function showMenu(): void {
     echo "  2) Vis ubekreftede signaturer\n";
     echo "  3) Send e-post pa nytt til mislykkede\n";
     echo "  4) Send bekreftelse pa nytt til ubekreftede\n";
-    echo "  5) Avslutt\n";
+    echo "  5) Marker oppforinger som ignorert\n";
+    echo "  6) Avslutt\n";
     echo "\n";
 }
 
@@ -537,6 +636,153 @@ function resendToUnconfirmed(): void {
     printColor("Ferdig: {$success} vellykket, {$failures} mislykket\n", $failures > 0 ? 'yellow' : 'green');
 }
 
+/**
+ * Interactive ignore marking
+ */
+function markAsIgnored(): void {
+    echo "\n";
+    printColor("Marker oppforinger som ignorert\n", 'cyan');
+    echo "\n";
+    echo "Velg liste:\n";
+    echo "  1) Mislykkede e-poster fra SMTP-logg\n";
+    echo "  2) Ubekreftede signaturer\n";
+    echo "  3) Tilbake\n";
+    echo "\n";
+    
+    $choice = prompt('Valg: ');
+    
+    if ($choice === '1') {
+        markFailedAsIgnored();
+    } elseif ($choice === '2') {
+        markUnconfirmedAsIgnored();
+    }
+}
+
+/**
+ * Mark failed emails as ignored (one by one)
+ */
+function markFailedAsIgnored(): void {
+    $failed = getFailedEmails();
+    
+    if (empty($failed)) {
+        printColor("\nIngen mislykkede e-poster a markere.\n", 'green');
+        return;
+    }
+    
+    echo "\n";
+    printColor("Ga gjennom mislykkede e-poster en etter en.\n", 'cyan');
+    echo "Trykk 'j' for a ignorere, 'n' for a beholde, 's' for a hoppe over resten.\n\n";
+    
+    $ignored = 0;
+    $kept = 0;
+    
+    foreach ($failed as $i => $entry) {
+        $num = $i + 1;
+        $total = count($failed);
+        $date = formatDate($entry['timestamp']);
+        $type = $entry['type'] === 'confirmation' ? 'Bekreftelse' : 'Takk';
+        
+        echo str_repeat('-', 60) . "\n";
+        echo "[{$num}/{$total}]\n";
+        echo "  E-post:    {$entry['email']}\n";
+        echo "  Type:      {$type}\n";
+        echo "  Kampanje:  {$entry['petition_id']}\n";
+        echo "  Dato:      {$date}\n";
+        echo "  Feil:      " . ($entry['error'] ?: '(ukjent)') . "\n";
+        
+        $response = strtolower(prompt("\nIgnorer denne? [j/n/s]: "));
+        
+        if ($response === 's' || $response === 'stopp' || $response === 'stop') {
+            echo "Avslutter gjennomgang.\n";
+            break;
+        }
+        
+        if ($response === 'j' || $response === 'ja' || $response === 'y' || $response === 'yes') {
+            $reason = prompt("Grunn (valgfritt): ");
+            if (addToIgnoreList($entry['type'], $entry['petition_id'], $entry['email'], $reason)) {
+                printColor("Markert som ignorert.\n", 'green');
+                $ignored++;
+            } else {
+                printColor("Kunne ikke lagre til ignorliste.\n", 'red');
+            }
+        } else {
+            echo "Beholdt.\n";
+            $kept++;
+        }
+    }
+    
+    echo "\n";
+    printColor("Ferdig: {$ignored} ignorert, {$kept} beholdt\n", 'green');
+}
+
+/**
+ * Mark unconfirmed signatures as ignored (one by one)
+ */
+function markUnconfirmedAsIgnored(): void {
+    $unconfirmed = getAllUnconfirmedSignatures();
+    
+    // Include expired for review
+    $currentTime = time();
+    
+    if (empty($unconfirmed)) {
+        printColor("\nIngen ubekreftede signaturer a markere.\n", 'green');
+        return;
+    }
+    
+    echo "\n";
+    printColor("Ga gjennom ubekreftede signaturer en etter en.\n", 'cyan');
+    echo "Trykk 'j' for a ignorere, 'n' for a beholde, 's' for a hoppe over resten.\n\n";
+    
+    $ignored = 0;
+    $kept = 0;
+    
+    foreach ($unconfirmed as $i => $sig) {
+        $num = $i + 1;
+        $total = count($unconfirmed);
+        $date = formatDate($sig['timestamp']);
+        $name = $sig['firstname'] . ' ' . $sig['surname'];
+        $daysLeft = 30 - floor(($currentTime - $sig['token_created']) / 86400);
+        $expired = $daysLeft < 0;
+        
+        echo str_repeat('-', 60) . "\n";
+        echo "[{$num}/{$total}]";
+        if ($expired) {
+            printColor(" (UTLOPT)", 'red');
+        }
+        echo "\n";
+        echo "  E-post:    {$sig['email']}\n";
+        echo "  Navn:      {$name}\n";
+        echo "  Kampanje:  {$sig['petition_id']}\n";
+        echo "  Dato:      {$date}\n";
+        if (!$expired) {
+            echo "  Utloper:   om {$daysLeft} dager\n";
+        }
+        
+        $response = strtolower(prompt("\nIgnorer denne? [j/n/s]: "));
+        
+        if ($response === 's' || $response === 'stopp' || $response === 'stop') {
+            echo "Avslutter gjennomgang.\n";
+            break;
+        }
+        
+        if ($response === 'j' || $response === 'ja' || $response === 'y' || $response === 'yes') {
+            $reason = prompt("Grunn (valgfritt): ");
+            if (addToIgnoreList('unconfirmed', $sig['petition_id'], $sig['email'], $reason)) {
+                printColor("Markert som ignorert.\n", 'green');
+                $ignored++;
+            } else {
+                printColor("Kunne ikke lagre til ignorliste.\n", 'red');
+            }
+        } else {
+            echo "Beholdt.\n";
+            $kept++;
+        }
+    }
+    
+    echo "\n";
+    printColor("Ferdig: {$ignored} ignorert, {$kept} beholdt\n", 'green');
+}
+
 // Main loop
 function main(): void {
     // Check requirements
@@ -568,13 +814,16 @@ function main(): void {
                 resendToUnconfirmed();
                 break;
             case '5':
+                markAsIgnored();
+                break;
+            case '6':
             case 'q':
             case 'quit':
             case 'exit':
                 echo "Ha det!\n";
                 exit(0);
             default:
-                printColor("Ugyldig valg. Velg 1-5.\n", 'red');
+                printColor("Ugyldig valg. Velg 1-6.\n", 'red');
         }
     }
 }