<dependency>
  <groupId>com.github.codemonstur</groupId>
  <artifactId>smtpclient</artifactId>
  <version>1.0.4</version>
</dependency>

implementation 'com.github.codemonstur:smtpclient:1.0.4'

implementation("com.github.codemonstur:smtpclient:1.0.4")

libraryDependencies += "com.github.codemonstur" % "smtpclient" % "1.0.4"

@Grapes(
  @Grab(group='com.github.codemonstur', module='smtpclient', version='1.0.4')
)

<dependency org="com.github.codemonstur" name="smtpclient" rev="1.0.4" />

[com.github.codemonstur/smtpclient "1.0.4"]

'com.github.codemonstur:smtpclient:jar:1.0.4'