<dependency>
  <groupId>com.upokecenter</groupId>
  <artifactId>maillib</artifactId>
  <version>0.8.1</version>
</dependency>

implementation 'com.upokecenter:maillib:0.8.1'

implementation("com.upokecenter:maillib:0.8.1")

libraryDependencies += "com.upokecenter" % "maillib" % "0.8.1"

@Grapes(
  @Grab(group='com.upokecenter', module='maillib', version='0.8.1')
)

<dependency org="com.upokecenter" name="maillib" rev="0.8.1" />

[com.upokecenter/maillib "0.8.1"]

'com.upokecenter:maillib:jar:0.8.1'