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Hello, <br>

I have problem with **ActionMailer**, when I try to execute action:

rake send_email

I get a error:

rake aborted!
ActionView::MissingTemplate: Missing template user_mailer/mailer with "mailer". Searched in:
* "user_mailer"

Here's my:

**mailers/user_mailer.rb**

class UserMailer < ActionMailer::Base
default from: "[email protected]"

def mailer(user)
@user = user
mail(to: @user.email, subject: 'Test')
end

end

**views/user_mailer/mailer.html.erb**

<!DOCTYPE html>
<html>
<head>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
</head>
<body>
<p>
Sample mail.
</p>
</body>
</html>

**views/user_mailer/mailer.text.erb**

Sample mail.

**lib/tasks/emails_task.rake**

desc 'send email'
task send_email: :environment do
UserMailer.mailer(User.last).deliver!
end

**config/environments/development.rb**

# I recommend using this line to show error
config.action_mailer.raise_delivery_errors = true

# ActionMailer Config
config.action_mailer.delivery_method = :letter_opener

# config.action_mailer.default_url_options = { :host => 'localhost:3000' }
# config.action_mailer.delivery_method = :smtp
# SMTP settings for gmail
config.action_mailer.smtp_settings = {
:address => "smtp.gmail.com",
:port => 587,
:user_name => ENV['gmail_username'],
:password => ENV['gmail_password'],
:authentication => "plain",
:enable_starttls_auto => true
}

# Send email in development mode?
config.action_mailer.perform_deliveries = true

I searched for the solution on stackoverflow and I tried many of the answers for the similar problem but unfortunately none of them worked for me.

I found solution, when I add body to mailer method like:

def mailer(user)
@user = user
mail(to: @user.email, subject: 'Test', body: 'something')
end

Then it does work but I would like to have a body in separate files and make it more complex with user name and other things.

If someone have a idea how to solve this problem then I would be very thankful :)

well, mine might be the silliest answer of all but mine work after deleting the template and recreating it with the same name 😂

I had a similiar issue. I had missed adding the gem 'haml-rails' in my Gemfile. Check if you are missing the gem.

I had the same problem. Restarting sidekiq solved it for me.

I had the same problem, my solution was to delete mailer template file, in your case ```views/user_mailer/mailer.html.erb``` and to create it again.
It seems that I created file with proper name but with some weird white space somewhere, and ActionMailer didn't recognise it.

class UserMailer < ActionMailer::Base
default from: "[email protected]"

layout "mailer"

def mailer(user)
@user = user
mail(to: @user.email, subject: 'Test')
end

end

Add a html layout under layout#

> mailer.html.erb

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
/* Email styles need to be inline */
</style>
</head>

<body>
<%= yield %>
</body>
</html>

Add text layout under layout #

> mailer.text.erb

<%= yield %>

Use preview to check your email based on your test framework.

I renamed my method and it worked. Maybe the name of the method can't be mail or mailer...

It's likely that Rails just isn't finding your newly created files. If you have the `spring` gem running, that could be the issue. (More on spring:

[To see links please register here]

)

To setup terminal commands and stop running `spring`:

$ bundle exec spring binstub --all
$ bin/spring stop

I tried this, then re-running my app with `rails s`. That didn't work so then try closing the terminal completely and rebooting your computer. Run `rails s` and try testing with `rails c` in a second tab:

mail = UserMailer.mailer(User.last)

That *finally* worked for me, hopefully it'll help some of you!

(Some of these steps may be redundant.)

Try adding layout

class UserMailer < ActionMailer::Base
default from: "[email protected]"

layout "mailer"

def mailer(user)
@user = user
mail(to: @user.email, subject: 'Test')
end

end

Could you publish a minimalist Github repository reproducing your error?

You may try to generate your mailer in order to check you are not forgetting something:

`bundle exec rails generate mailer mailer_classname mailer_viewname`

In your case:

`bundle exec rails generate mailer user_mailer mailer`

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