Upgrade to Jakarta Mail 2.1 and switch to Eclipse Angus RI

Closes gh-33059
Closes gh-33050

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -43,7 +43,6 @@ dependencies {
 	optional("com.github.ben-manes.caffeine:caffeine")
 	optional("com.hazelcast:hazelcast")
 	optional("com.hazelcast:hazelcast-spring")
-	optional("com.sun.mail:jakarta.mail")
 	optional("com.zaxxer:HikariCP")
 	optional("io.dropwizard.metrics:metrics-jmx")
 	optional("io.lettuce:lettuce-core")
@@ -100,6 +99,7 @@ dependencies {
 	optional("org.aspectj:aspectjweaver")
 	optional("org.cache2k:cache2k-micrometer")
 	optional("org.cache2k:cache2k-spring")
+	optional("org.eclipse.angus:angus-mail")
 	optional("org.eclipse.jetty:jetty-server") {
 		exclude group: "org.eclipse.jetty.toolchain", module: "jetty-jakarta-servlet-api"
 	}

spring-boot-project/spring-boot-actuator/build.gradle

@@ -19,7 +19,6 @@ dependencies {
 	optional("com.github.ben-manes.caffeine:caffeine")
 	optional("com.hazelcast:hazelcast")
 	optional("com.hazelcast:hazelcast-spring")
-	optional("com.sun.mail:jakarta.mail")
 	optional("com.zaxxer:HikariCP")
 	optional("io.lettuce:lettuce-core")
 	optional("io.micrometer:micrometer-observation")
@@ -38,6 +37,7 @@ dependencies {
 	optional("org.aspectj:aspectjweaver")
 	optional("org.cache2k:cache2k-micrometer")
 	optional("org.cache2k:cache2k-spring")
+	optional("org.eclipse.angus:angus-mail")
 	optional("org.eclipse.jetty:jetty-server") {
 		exclude(group: "org.eclipse.jetty.toolchain", module: "jetty-jakarta-servlet-api")
 	}

spring-boot-project/spring-boot-autoconfigure/build.gradle

@@ -29,7 +29,6 @@ dependencies {
 	optional("com.oracle.database.jdbc:ojdbc8")
 	optional("com.oracle.database.jdbc:ucp")
 	optional("com.samskivert:jmustache")
-	optional("com.sun.mail:jakarta.mail")
 	optional("io.lettuce:lettuce-core")
 	optional("io.projectreactor.netty:reactor-netty-http")
 	optional("io.r2dbc:r2dbc-spi")
@@ -65,6 +64,7 @@ dependencies {
 	optional("org.apache.tomcat:tomcat-jdbc")
 	optional("org.apiguardian:apiguardian-api")
 	optional("org.apache.groovy:groovy-templates")
+	optional("org.eclipse.angus:angus-mail")
 	optional("com.github.ben-manes.caffeine:caffeine")
 	optional("com.github.mxab.thymeleaf.extras:thymeleaf-extras-data-attribute")
 	optional("com.sendgrid:sendgrid-java") {

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -14,6 +14,21 @@ bom {
 			issueLabels = ["type: dependency-upgrade"]
 		}
 	}
+	library("Angus Mail", "1.0.0") {
+		group("org.eclipse.angus") {
+			modules = [
+				"angus-core",
+				"angus-mail",
+				"angus-dsn",
+				"angus-gimap",
+				"angus-imap",
+				"jakarta.mail",
+				"logging-mailhandler",
+				"pop3",
+				"smtp"
+			]
+		}
+	}
 	library("Artemis", "2.26.0") {
 		group("org.apache.activemq") {
 			modules = [
@@ -505,10 +520,7 @@ bom {
 			]
 		}
 	}
-	library("Jakarta Mail", "2.0.1") {
+	library("Jakarta Mail", "2.1.0") {
-		prohibit("[2.1.0-RC1,)") {
-			because "it exceeds our Jakarta EE 9 baseline"
-		}
 		group("jakarta.mail") {
 			modules = [
 				"jakarta.mail-api"
@@ -1489,13 +1501,6 @@ bom {
 			]
 		}
 	}
-	library("Sun Mail", "2.0.1") {
-		group("com.sun.mail") {
-			modules = [
-				"jakarta.mail"
-			]
-		}
-	}
 	library("Thymeleaf", "3.1.0.RC1") {
 		group("org.thymeleaf") {
 			modules = [

spring-boot-project/spring-boot-starters/spring-boot-starter-mail/build.gradle

@@ -7,5 +7,5 @@ description = "Starter for using Java Mail and Spring Framework's email sending
 dependencies {
 	api(project(":spring-boot-project:spring-boot-starters:spring-boot-starter"))
 	api("org.springframework:spring-context-support")
-	api("com.sun.mail:jakarta.mail")
+	api("org.eclipse.angus:jakarta.mail")
 }