4.0.0 core-java-networking-2 core-java-networking-2 jar com.baeldung.core-java-modules core-java-modules 0.0.1-SNAPSHOT org.apache.httpcomponents httpclient ${httpclient.version} org.apache.commons commons-lang3 ${commons-lang3.version} javax.mail mail ${javax.mail.version} org.asynchttpclient async-http-client ${async-http-client.version} com.icegreen greenmail 1.5.8 test core-java-networking-2 4.5.9 1.5.0-b01 2.4.5