Mail delivery failed: returning message to sender (develop at elxis dot org)

[Ivan Trebješanin]

This is just a quick note to administrators. I am trying to send my final Serbian admin language, but...
I have also sent a copy to info at altermarket dot com.

[datahell]

Our firewall had banned your server. I don't know why, needs investigation. I removed you. Try to send it again.

[Ivan Trebješanin]

Sent... and It seems it didn't bounce this time.