Outlock 2010 not send mail Why??

Avast Free Antivirus / Premium Security
1

Hi.
Me Avast v 5.670 Free Win 7x86UL Office2010.
Me Send Mail All Mail Back In Inbox.
Plz Help Me.
Thanks.

2

read this

https://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=458

3

Thakns,Why Delete Post Me???

4

Not Spam.
You send Me Lang.
ME persian(farsi) translation.