# Actionmailer

**URL:** <https://www.ruby-forum.com/t/actionmailer/149033>\
**Category:** Rails\
**Created:** [September 19, 2008, 3:58pm UTC](https://www.ruby-forum.com/t/actionmailer/149033 "2008-09-19T15:58:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![fRAnKEnSTEin](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/0ea827/32.png) [@fRAnKEnSTEin](https://www.ruby-forum.com/u/fRAnKEnSTEin)\
**Post date:** [September 19, 2008, 3:58pm UTC](https://www.ruby-forum.com/t/actionmailer/149033/1 "2008-09-19T15:58:38Z")

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Hi,

Do you know how to validate using actionmailer? I have read a lot of  
forums even here but no solution found. I need for example to validate  
that the subject is not blanck etc. It is posibble?

Cheers