Files
Claude 7c2fb0142e Add OpenPGP and S/MIME signing of outgoing mail
mail.pgp.signing.type selects NONE (default), OPENPGP or SMIME, with one
key/certificate per From address.

- OPENPGP: plaintext copies become PGP/MIME multipart/signed (RFC 3156 s5,
  detached signature over the exact content entity bytes); encrypted copies
  are signed inside the encryption (combined method)
- SMIME: plaintext copies become S/MIME multipart/signed (RFC 8551, via
  Bouncy Castle bcjmail); encrypted copies are S/MIME-signed, then
  PGP/MIME-encrypted
- signed bodies are attached as raw bytes so they reach the wire unchanged;
  shared MIME helpers move to MimeEntities
- keys are validated at startup (signing capability, address match,
  validity, passphrase / key-certificate match)
- mail.pgp.signing.required refuses mail from addresses without a key
  (MailSigningException); RELAY mode signs before handing over
- SendReport.signature(), metric tag signature, refused{cause}
- core test-jar shares key/certificate and verification helpers
- end-to-end tests verify signatures on the bytes received over SMTP

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01G71TQ5jDETVwdUJxGAwaiT
2026-10-15 09:49:45 +00:00

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XML

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>pro.thinhha.mailsender</groupId>
<artifactId>mailsender-parent</artifactId>
<version>0.1.0-SNAPSHOT</version>
</parent>
<artifactId>mailsender-pgp-spring-boot-autoconfigure</artifactId>
<dependencies>
<dependency>
<groupId>pro.thinhha.mailsender</groupId>
<artifactId>mailsender-pgp-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
</dependency>
<dependency>
<!-- JavaMailSender -->
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>io.micrometer</groupId>
<artifactId>micrometer-core</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator-autoconfigure</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>pro.thinhha.mailsender</groupId>
<artifactId>mailsender-pgp-core</artifactId>
<version>${project.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.icegreen</groupId>
<artifactId>greenmail-junit5</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<version>${spring-boot.version}</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
</project>