Preparing release 8.12.3

Author: Benny Bottema

README.md

@@ -1,6 +1,6 @@
 [![APACHE v2 License](https://img.shields.io/badge/license-apachev2-blue.svg?style=flat)](modules/simple-java-mail/LICENSE-2.0.txt) 
-[![Latest Release](https://img.shields.io/maven-central/v/org.simplejavamail/simple-java-mail.svg?style=flat)](https://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.simplejavamail%22%20AND%20v%3A%228.12.3%22) 
-[![Javadocs](https://img.shields.io/badge/javadoc-8.12.3-brightgreen.svg?color=brightgreen)](https://www.javadoc.io/doc/org.simplejavamail/maven-master-project) 
+[![Latest Release](https://img.shields.io/maven-central/v/org.simplejavamail/simple-java-mail.svg?style=flat)](https://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.simplejavamail%22%20AND%20v%3A%228.12.4%22) 
+[![Javadocs](https://img.shields.io/badge/javadoc-8.12.4-brightgreen.svg?color=brightgreen)](https://www.javadoc.io/doc/org.simplejavamail/maven-master-project) 
 [![Codacy](https://img.shields.io/codacy/grade/c7506663a4ab41e49b9675d87cd900b7.svg?style=flat)](https://app.codacy.com/gh/bbottema/simple-java-mail)
 ![Java 8+](https://img.shields.io/badge/java-8+-lightgray.svg)
 
@@ -20,16 +20,17 @@ Simple Java Mail is available in [Maven Central](https://search.maven.org/search
 <dependency>
     <groupId>org.simplejavamail</groupId>
     <artifactId>simple-java-mail</artifactId>
-    <version>8.12.3</version>
+    <version>8.12.4</version>
 </dependency>
 ```
 
 Read about additional modules you can add here: [simplejavamail.org/modules](https://www.simplejavamail.org/modules.html). 
 
 ### Latest Progress ###
 
-v8.12.0 - [v8.12.3](https://repo1.maven.org/maven2/org/simplejavamail/simple-java-mail/8.12.3/)
+v8.12.0 - [v8.12.4](https://repo1.maven.org/maven2/org/simplejavamail/simple-java-mail/8.12.4/)
 
+- v8.12.4 (12-December-2024): [#558](https://github.com/bbottema/simple-java-mail/pull/558): [bug] Mailer.close() exception because it attempts to shutdown batch-module connection pools, even if not available on the classpath
 - v8.12.3 (25-November-2024): [#563](https://github.com/bbottema/simple-java-mail/pull/563): [enhancement] Add getter for Authenticated SOCKS server port
 - v8.12.2 (05-October-2024): [#552](https://github.com/bbottema/simple-java-mail/pull/552): [bug] support iCalendar events with METHOD defined in body instead of Content-Type
 - v8.12.1 (02-October-2024): [#533](https://github.com/bbottema/simple-java-mail/pull/533): [maintenance] Bump com.github.therapi:therapi-runtime-javadoc-scribe from 0.13.0 to 0.15.0

RELEASE.txt

@@ -3,11 +3,12 @@ https://www.simplejavamail.org
 <dependency>
     <groupId>org.simplejavamail</groupId>
     <artifactId>simple-java-mail</artifactId>
-    <version>8.12.3</version>
+    <version>8.12.4</version>
 </dependency>
 
-v8.12.0 - v8.12.3
+v8.12.0 - v8.12.4
 
+- v8.12.4 (12-December-2024): #558: [bug] Mailer.close() exception because it attempts to shutdown batch-module connection pools, even if not available on the classpath
 - v8.12.3 (25-November-2024): #563: [enhancement] Add getter for Authenticated SOCKS server port
 - v8.12.2 (05-October-2024): #552: [bug] support iCalendar events with METHOD defined in body instead of Content-Type
 - v8.12.1 (02-October-2024): #533: [maintenance] Bump com.github.therapi:therapi-runtime-javadoc-scribe from 0.13.0 to 0.15.0

modules/cli-module/src/main/java/org/simplejavamail/internal/clisupport/CliCommandLineProducer.java

@@ -38,7 +38,7 @@ static CommandLine configurePicoCli(List<CliDeclaredOptionSpec> declaredOptions,
                         "%n" +
                         "Note: All the regular functionality regarding properties and config files work with the CLI so you can provide defaults in a " +
                         "property file as long as it is visible (on class path) or as system environment variables.")
-                .version("Simple Java Mail 8.12.3");
+                .version("Simple Java Mail 8.12.4");
 
         rootCommandsHolder.usageMessage()
                 .customSynopsis("",