just found the mailer... :)

app/views/devise/mailer/confirmation_instructions.html.haml

@@ -46,6 +46,6 @@
       = image_tag '/images/diaspora_white.png'
     #container
       %p
-        Welcome #{@resource.email}!
-      %p You can confirm your account through the link below:
-      %p= link_to 'Confirm my account', confirmation_url(@resource, :confirmation_token => @resource.confirmation_token), :class => "large_text"
+        = t('devise.mailer.welcome', :email => @resource.email)
+      %p = t('.you_can_confirm')
+      %p= link_to t('.confirm'), confirmation_url(@resource, :confirmation_token => @resource.confirmation_token), :class => "large_text"

app/views/devise/mailer/invitation.html.haml

@@ -47,20 +47,20 @@
     #container
       - @invs = @resource.invitations_to_me
       %p
-        Hello #{@resource.email}!
+        = t('devise.mailer.welcome', :email => @resource.email)
       %p
         - if @invs.count == 1
-          = @invs.first.real_name + " (#{@invs.first.diaspora_handle})" + " has" 
+          = t('.has_invited_you', :name => @invs.first.real_name + " (#{@invs.first.diaspora_handle})")
         - else
-          = (@invs.map{|inv| inv.from.real_name + " (#{inv.from.diaspora_handle})"}.join(",") + " have")
-        = "invited you to join Diaspora at #{root_url}, you can accept it through the link below."
+          = t('.have_invited_you', :names => (@invs.map{|inv| inv.from.real_name + " (#{inv.from.diaspora_handle})"}.join(",")))
+        = t('.accept_at', :url => root_url)
       - @invs.each do |inv|
         - if inv.message
           = "#{inv.from.real_name}:"
           = "\"#{inv.message}\""
           %p
-      %p= link_to 'Accept invitation', accept_invitation_url(@resource, :invitation_token => @resource.invitation_token), :class => "large_text"
+      %p= link_to t('.accept'), accept_invitation_url(@resource, :invitation_token => @resource.invitation_token), :class => "large_text"
       %p.small
-        If you don't want to accept the invitation, please ignore this email.
+        = t('.ignore')
         %br/
-        Your account won't be created until you access the link above and sign up.
+        = t('.no_account_till')

app/views/devise/mailer/reset_password_instructions.html.haml

@@ -46,8 +46,8 @@
       = image_tag '/images/diaspora_white.png'
     #container
       %p
-        Hello #{@resource.email}!
-      %p Someone has requested a link to change your password, and you can do this through the link below.
-      %p= link_to 'Change my password', edit_password_url(@resource, :reset_password_token => @resource.reset_password_token), :class => "large_text"
-      %p Your password won't change until you access the link above and create a new one.
-      %p.small If you didn't request this, please ignore this email.
+        = t('devise.mailer.hello', :email => @resource.email)
+      %p = t('.someone_requested')
+      %p= link_to t('.change'), edit_password_url(@resource, :reset_password_token => @resource.reset_password_token), :class => "large_text"
+      %p = t('.wont_change')
+      %p.small = t('.ignore')

app/views/devise/mailer/unlock_instructions.html.haml

@@ -46,7 +46,7 @@
       = image_tag '/images/diaspora_white.png'
     #container
       %p
-        Hello #{@resource.email}!
-      %p Your account has been locked due to an excessive amount of unsuccessful sign in attempts.
-      %p Click the link below to unlock your account:
-      %p= link_to 'Unlock my account', unlock_url(@resource, :unlock_token => @resource.unlock_token), :class => "large_text"
+        = t('devise.mailer.hello', :email => @resource.email)
+      %p = t('.account_locked')
+      %p = t('.click_to_unlock')
+      %p= link_to t('.unlock'), unlock_url(@resource, :unlock_token => @resource.unlock_token), :class => "large_text"

app/views/notifier/new_request.html.haml

@@ -46,14 +46,14 @@
       = image_tag attachments['diaspora_white_on_grey.png'].url, :alt => "DIASPORA"
     #container
       %p
-        Hello #{@receiver.profile.first_name}!
+        = t('notifier.hello', => :name)
       %p
         = "#{@sender.real_name} (#{@sender.diaspora_handle})"
-        just sent you a friend request on Diaspora*
-        You should really think about checking it out.
+        = t('.just_sent_you')
+        = t('.try_it_out')
         %br
-        = link_to "sign in here", new_user_session_url
+        = link_to t('.sign_in'), new_user_session_url
         %br
-        love, 
+        = t('notifier.love'), 
         %br
-        the diaspora email robot
+        = t('notifier.diaspora')

app/views/notifier/new_request.text.haml

@@ -1,9 +1,9 @@
-= "hey #{@receiver.profile.first_name},"
+= t('notifier.hello', :name => @receiver.profile.first_name)
 = "#{@sender.real_name} (#{@sender.diaspora_handle})"
-just sent you a friend request on Diaspora*
-You should really think about checking it out.
+= t('notifier.new_request.just_sent_you')
+= t('notifier.new_request.try_it_out')
 
-= "sign in here: #{new_user_session_url}"
+= "#{t('notifier.new_request.sign_in')}: #{new_user_session_url}"
 
-love, 
-the diaspora email robot
+= t('notifier.love')
+= t('notifier.diaspora')

app/views/notifier/request_accepted.html.haml

@@ -46,14 +46,14 @@
       = image_tag attachments['diaspora_white_on_grey.png'].url, :alt => "DIASPORA"
     #container
       %p
-        Hello #{@receiver.profile.first_name}!
+        = t('notifier.hello', :name => @receiver.profile.first_name
       %p
         = "#{@sender.real_name} (#{@sender.diaspora_handle})"
-        has accepted your friend request. They are now in your 
+        = t('.accepted')
         = link_to @aspect.name, aspect_url(@aspect)
-        aspect.
+        = t('.aspect')
 
         %br
-        love, 
+        = t('notifier.love') 
         %br
-        the diaspora email robot
+        = t('notifier.diaspora')

app/views/notifier/request_accepted.text.haml

@@ -1,9 +1,9 @@
-= "hey #{@receiver.profile.first_name},"
+= t('notifier.hello', :name => @receiver.profile.first_name
 = "#{@sender.real_name} (#{@sender.diaspora_handle})"
-has accepted your friend request. They are now in your 
-= "#{@aspect.name} asepct.\n" 
+= t('notifier.request_accepted.accepted')
+= "#{@aspect.name} #{t('notifier.request_accepted.aspect')}\n" 
 = "#{aspect_url(@aspect)}"
 
 
-love, \n 
-the diaspora email robot
+= "#{t('notifier.love')} \n"
+= t('notifier.diaspora')

config/locales/devise/devise.en.yml

@@ -21,6 +21,7 @@ en:
         password: 'Password'
         sign_in: 'Sign in'
         have_a_problem: "Have a problem? Find an answer here"
+        remember_me: "Remember me"
       signed_in: 'Signed in successfully.'
       signed_out: 'Signed out successfully.'
     passwords:
@@ -44,14 +45,31 @@ en:
       invitation_token_invalid: 'The invitation token provided is not valid!'
       updated: 'Your password was set successfully. You are now signed in.'
     mailer:
+      welcome: "Welcome %{email}!"
+      hello: "Hello %{email}!"
       confirmation_instructions:
         subject: 'Confirmation instructions'
+        you_can_confirm: "You can confirm your account through the link below:"
+        confirm: "Confirm my account"
       reset_password_instructions:
         subject: 'Reset password instructions'
+        someone_requested: "Someone has requested a link to change your password, and you can do this through the link below."
+        change: "Change my password"
+        wont_change: "Your password won't change until you access the link above and create a new one."
+        ignore: "If you didn't request this, please ignore this email."
       unlock_instructions:
         subject: 'Unlock Instructions'
+        account_locked: "Your account has been locked due to an excessive amount of unsuccessful sign in attempts."
+        click_to_unlock: "Click the link below to unlock your account:"
+        unlock: "Unlock my account"
       invitation:
         subject: 'A friend wants you to join Diaspora!'
+        has_invited_you: "%{name} has invited you to join Diaspora"
+        have_invited_you: "%{names} have invited you to join Diaspora"
+        accept_at: ", at %{url}, you can accept it through the link below."
+        accept: "Accept invitation"
+        ignore: "If you don't want to accept the invitation, please ignore this email."
+        no_account_till: "Your account won't be created until you access the link above and sign up."
     shared:
       links:
         sign_in: 'Sign in'

config/locales/diaspora/en.yml

@@ -312,9 +312,17 @@ en:
       helper:
           home: "Home"
   notifier:
+      hello: "Hello %{name}!"
+      love: "love,"
+      diaspora: "the diaspora email robot"
       new_request:
           subject: "new Diaspora* friend request from %{from}"
+          just_sent_you: "just sent you a friend request on Diaspora*"
+          try_it_out: "You should really think about checking it out."
+          sign_in: "sign in here"
       request_accepted:
           subject: "%{name} has accepted your friend request on Diaspora*"
+          accepted: "has accepted your friend request. They are now in your"
+          aspect: "aspect."
   date:
       order: [:month, :day, :year]