Added support for warning messages from postscreen
Fixed typo [skip ci]
Merge pull request #25 from whyscream/getpeername-warning

Added support for warning messages from postscreen
Merge https://github.com/Dh0mp5eur/postfix-grok-patterns into fix-test
Fix test case
Remove unneeded quotes

quotes are only needed when values contain yaml markup (f.i. ipv6 address contains colons).
Merge pull request #27 from whyscream/fix-test

tests for lost connection at END-OF-MESSAGE and RSET
Redundant pattern %{POSTFIX_WARNING} in POSTFIX_SMTPD