Merge pull request #41 from Goodnessuc/patch-1

added installation instructions

Merge pull request #36 from agau4779/master

Add check in split utility method to prevent panic

fix issue #33 with bad regexp sequence

Merge pull request #28 from unapu-go/master

feat: add function ValidateHostAndUser to validate host and user preventing SPAN and BOT

go mod compatibility

go mod compatibility

remove duplicate conn timeout'

Merge pull request #14 from shuler/master

Improve disconnect from SMTP server after 10 seconds