Rails - Aug 2006 - SMTPSyntaxError (501 <>: missing or malformed local part)

I get this when trying to send out an email.  What exactly does this 
error mean?
________________________________________

Net::SMTPSyntaxError (501 <>: missing or malformed local part
):
    /usr/lib/ruby/1.8/net/smtp.rb:680:in `check_response''
    /usr/lib/ruby/1.8/net/smtp.rb:653:in `getok''
    /usr/lib/ruby/1.8/net/smtp.rb:635:in `rcptto''
    /usr/lib/ruby/1.8/net/smtp.rb:546:in `send0''
    /usr/lib/ruby/1.8/net/smtp.rb:545:in `send0''
    /usr/lib/ruby/1.8/net/smtp.rb:472:in `sendmail''
   
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:513:in
`perform_delivery_smtp''
    /usr/lib/ruby/1.8/net/smtp.rb:379:in `start''
    /usr/lib/ruby/1.8/net/smtp.rb:316:in `start''
   
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:511:in
`perform_delivery_smtp''
   
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:397:in
`deliver!''
   
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:291:in
`method_missing''
    /app/controllers/workout_controller.rb:58:in `notifyNewWorkout''

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I think that you are entering some mail addres (to or from) in the wrong
format.

They usually are something like:

"This is my name"
<myname-3Q2Tfjf0mexWk0Htik3J/w@public.gmane.org>



Jim Jones escribió:
> 
> I get this when trying to send out an email.  What exactly does this
> error mean?
> ________________________________________
> 
> Net::SMTPSyntaxError (501 <>: missing or malformed local part
> ):
>     /usr/lib/ruby/1.8/net/smtp.rb:680:in `check_response''
>     /usr/lib/ruby/1.8/net/smtp.rb:653:in `getok''
>     /usr/lib/ruby/1.8/net/smtp.rb:635:in `rcptto''
>     /usr/lib/ruby/1.8/net/smtp.rb:546:in `send0''
>     /usr/lib/ruby/1.8/net/smtp.rb:545:in `send0''
>     /usr/lib/ruby/1.8/net/smtp.rb:472:in `sendmail''
>    
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:513:in
> `perform_delivery_smtp''
>     /usr/lib/ruby/1.8/net/smtp.rb:379:in `start''
>     /usr/lib/ruby/1.8/net/smtp.rb:316:in `start''
>    
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:511:in
> `perform_delivery_smtp''
>    
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:397:in
> `deliver!''
>    
/usr/lib/ruby/gems/1.8/gems/actionmailer-1.2.5/lib/action_mailer/base.rb:291:in
> `method_missing''
>     /app/controllers/workout_controller.rb:58:in
`notifyNewWorkout''
> 


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How can I catch this so that when my function fails, I can just move on 
to the next user?  My email function looks like this:

class NewWorkoutNotify < ActionMailer::Base

  def notify_new_workout(user)
    # Email header info MUST be added here
    @recipients    = user.email

    @from          = "xxx-dJY9qJdb8EU@public.gmane.org"
    @subject       = "New Workout Ready"

    # Email body substitutions go here
    @body["login"] = user.login
  end

end

Matias Surdi wrote:
> I think that you are entering some mail addres (to or from) in the wrong
> format.
> 
> They usually are something like:
> 
> "This is my name"
<myname-3Q2Tfjf0mexWk0Htik3J/w@public.gmane.org>
> 
> 
> 
> Jim Jones 
>escribi󺊦gt;

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I had this error when I screwed up the ''recipients XXXXXX''
line in my
mailer model.

I had ''recipients = XXXXXX'' instead of ''recipients
XXXXXX''

I found this by adding some logger.info statements in:

/usr/lib/ruby/gems/1.8/gems/actionmailer-2.1.1/lib/action_mailer/base.rb

...in the deliver! method. I then saw that there were no recipients 
being given to net::smtp


Good luck!

Something that may also help debugging, you can hack 
/usr/lib/ruby/1.8/net/smtp.rb and add a few print statements inside 
get_response, recv_response, and getok, in order to see what is actually 
coming to and from the SMTP server.

This helped me immensely. Be warned however, as this will cause ugly 
text to be printed on every app on your server that uses these 
libraries.
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I have seen this error as well, and found the problem to be the email 
address having a leading ''space''.

For example, I was passing an email address like this: " Bob Smith 
<bob.smith-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>"  and was getting
the error.

As soon as I stripped the space away with ''.strip'' before I
assigned it
to ''recipients'', the error went away.

Not sure which part of the code (gem or ruby) was choking on the 
whitespace. I didn''t investigate further. I am using Action::Mailer 
2.2.2.

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