From 91ac6bff8c3576f010d0b7b09a2d7704756218fb Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 24 May 2023 16:59:55 +0200
Subject: [inc/Mailer] Add comments

---
 inc/mailer.inc.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'inc')

diff --git a/inc/mailer.inc.php b/inc/mailer.inc.php
index 728e91b5..1545e930 100644
--- a/inc/mailer.inc.php
+++ b/inc/mailer.inc.php
@@ -109,14 +109,16 @@ class Mailer
        	WHERE nexttry <= UNIX_TIMESTAMP() LIMIT 20");
 		$cutoff = time() - 43200; // 12h
 		$mailers = [];
+		// Loop over mails, grouped by configid-rcpt-subject
 		foreach ($list as $mails) {
 			$delete = [];
 			$body = [];
+			// Loop over individual mails in current group
 			foreach ($mails as $mail) {
 				$delete[] = $mail['mailid'];
 				if ($mail['dateline'] < $cutoff) {
 					EventLog::info("Dropping queued mail '{$mail['subject']}' for {$mail['rcpt']} as it's too old.");
-					continue; // Ignore
+					continue; // Ignore, too old
 				}
 				$body[] = ' *** ' . date('d.m.Y H:i:s', $mail['dateline']) . "\r\n"
 					. $mail['body'];
-- 
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