Add README.md file

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

README.md

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+# postfix
+
+[**Package DB** (owner)](https://admin.fedoraproject.org/pkgdb/package/modules/postfix/) |
+[**F26 modulemd** (source)](http://pkgs.fedoraproject.org/cgit/modules/postfix.git/tree/postfix.yaml?h=f26) |
+[**PDC** (result)](https://pdc.fedoraproject.org/rest_api/v1/unreleasedvariants/?active=True&variant_name=postfix)
+
+Postfix is a Mail Transport Agent (MTA).  
+  
+## Current state
+
+| State | Description |
+|-------|-------------|
+| ✓ YES | **Build passes** in the infra (all build deps are ok) |
+| ✓ YES | **Installs** on the Base Runtime (all runtime deps are ok) |
+| ✓ YES | **No bootstrap** - uses only proper modules |
+| ✓ YES | General **tests are in dist-git** |
+| ✓ YES | General **tests pass** |
+| ✗ NO  | Meets the **Fedora Module Packaging Guidelines** |
+
+### Notes
+
+See [**README**](https://github.com/container-images/postfix) on github for more details. 
+
+See [**hub.docker**](https://hub.docker.com/r/modularitycontainers/postfix/) for Dockerimage. 
+