Added sender_host to messages table to report connected sendmail-wrapper host

preparing for 1.0.6 release

Author: onlime

CHANGELOG.md

@@ -1,8 +1,9 @@
 # CHANGELOG
 
-## 1.0.6 (UNRELEASED)
+## 1.0.6 (2020-07-24)
 
 - Avoid PHP Notices on non-standard mail header lines that don't contain a column, reporting warning to syslog.
+- Add `sender_host` to `messages` table, reporting the connected sendmail-wrapper hostname, in case the MySQL database is located on a remote host and sendmail-wrapper is deployed to multiple hosts.
 
 ## 1.0.5 (2019-10-29)
 

app/SendmailThrottle.php

@@ -212,10 +212,10 @@ protected function _logMessage($throttleId, $username, $rcptCount, $status)
         $bcc     = mb_decode_mimeheader($headerArr['bcc'] ?? null);
         $subject = mb_decode_mimeheader($headerArr['subject'] ?? null);
 
-        $sql = 'INSERT INTO messages (throttle_id, username, uid, gid, rcpt_count, status, msgid, from_addr, to_addr,
-                  cc_addr, bcc_addr, subject, site, client, script)
+        $sql = "INSERT INTO messages (throttle_id, username, uid, gid, rcpt_count, status, msgid, from_addr, to_addr,
+                  cc_addr, bcc_addr, subject, site, client, sender_host, script)
                 VALUES (:throttleId, :username, :uid, :gid, :rcptCount, :status, :msgid, :fromAddr, :toAddr,
-                  :ccAddr, :bccAddr, :subject, :site, :client, :script)';
+                  :ccAddr, :bccAddr, :subject, :site, :client, SUBSTRING_INDEX(USER(), '@', -1), :script)";
         $stmt = $this->_pdo->prepare($sql);
         $stmt->bindParam(':throttleId', $throttleId);
         $stmt->bindParam(':username'  , $username);

schema/migrations/20200724-add-sender-host.sql

@@ -0,0 +1,2 @@
+-- 2020-07-24
+ALTER TABLE `sendmailwrapper`.`messages` ADD `sender_host` VARCHAR(255) NOT NULL DEFAULT 'localhost' AFTER `client`;

schema/schema.mysql.sql

@@ -49,6 +49,7 @@ CREATE TABLE IF NOT EXISTS `sendmailwrapper`.`messages` (
   `subject` VARCHAR(255) NOT NULL DEFAULT '' COMMENT 'email subject',
   `site` VARCHAR(255) NOT NULL DEFAULT '' COMMENT 'site where this email was sent from',
   `client` VARCHAR(40) NULL COMMENT 'client IP that invoked the email generation',
+  `sender_host` VARCHAR(255) NOT NULL DEFAULT 'localhost',
   `script` VARCHAR(255) NULL COMMENT 'script that generated this email',
   PRIMARY KEY (`id`),
   INDEX `fk_messages_throttle_idx` (`throttle_id` ASC),