# Net::SMTP CRAM-MD5 authentication mechanism not supported

**URL:** <https://www.ruby-forum.com/t/net-smtp-cram-md5-authentication-mechanism-not-supported/77375>\
**Category:** Rails\
**Created:** [November 27, 2006, 12:30pm UTC](https://www.ruby-forum.com/t/net-smtp-cram-md5-authentication-mechanism-not-supported/77375 "2006-11-27T12:30:37Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kadoudal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/f0a364/32.png) [@kadoudal](https://www.ruby-forum.com/u/kadoudal)\
**Post date:** [November 27, 2006, 12:30pm UTC](https://www.ruby-forum.com/t/net-smtp-cram-md5-authentication-mechanism-not-supported/77375/1 "2006-11-27T12:30:37Z")

</div>

I am testing our webapp on my ISP server (BlueHost) and I get an error  
when sending an email with Emailer

## development.log

## Sent mail: Date: Mon, 27 Nov 2006 11:12:44 -0700 From: pdm\_admin@our\_domain.com To: removed\_email\_address@domain.invalid Subject: Test Site - Activaye your account Content-Type: text/plain; charset=utf-8

Net::SMTPSyntaxError (504 CRAM-MD5 authentication mechanism not  
supported  
):  
/usr/lib/ruby/1.8/net/smtp.rb:680:in `check_response' /usr/lib/ruby/1.8/net/smtp.rb:593:in`auth\_cram\_md5’  
/usr/lib/ruby/1.8/net/smtp.rb:686:in `critical' /usr/lib/ruby/1.8/net/smtp.rb:592:in`auth\_cram\_md5’  
/usr/lib/ruby/1.8/net/smtp.rb:571:in ` __send__' /usr/lib/ruby/1.8/net/smtp.rb:571:in`authenticate’  
/usr/lib/ruby/1.8/net/smtp.rb:411:in `do_start' /usr/lib/ruby/1.8/net/smtp.rb:378:in`start’  
/usr/lib/ruby/1.8/net/smtp.rb:316:in `start’

my config.rb

ActionMailer::Base.delivery\_method = :smtp  
ActionMailer::Base.server\_settings = {  
:address =\> “localhost”,  
:port =\> 25,  
:domain =\> “www.our\_domain.com”  
:authentification =\> :login,  
:user\_name =\> ‘me\_admin@rour\_domain.com’,  
:password =\> ‘me\_admin\_password’  
}  
ActionMailer::Base.raise\_delivery\_errors = :true  
ActionMailer::Base.perform\_deliveries = :true  
ActionMailer::Base.default\_charset = “utf-8”

---

<div class="post-metadata">

**Author:** ![kadoudal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/f0a364/32.png) [@kadoudal](https://www.ruby-forum.com/u/kadoudal)\
**Post date:** [November 27, 2006, 12:39pm UTC](https://www.ruby-forum.com/t/net-smtp-cram-md5-authentication-mechanism-not-supported/77375/2 "2006-11-27T12:39:22Z")

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On 27 Nov 2006, at 12:30, Kad K. wrote:

> my config.rb
> 
> ActionMailer::Base.delivery\_method = :smtp  
> ActionMailer::Base.server\_settings = {  
> :address =\> “localhost”,  
> :port =\> 25,  
> :domain =\> “www.our\_domain.com”  
> :authentification =\> :login,

typo, should be:  
:authentication =\> :login

> :user\_name =\> ‘me\_admin@rour\_domain.com’,  
> :password =\> ‘me\_admin\_password’  
> }  
> ActionMailer::Base.raise\_delivery\_errors = :true  
> ActionMailer::Base.perform\_deliveries = :true  
> ActionMailer::Base.default\_charset = “utf-8”

Best regards

Peter De Berdt

---

<div class="post-metadata">

**Author:** ![kadoudal](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/f0a364/32.png) [@kadoudal](https://www.ruby-forum.com/u/kadoudal)\
**Post date:** [November 27, 2006, 1:41pm UTC](https://www.ruby-forum.com/t/net-smtp-cram-md5-authentication-mechanism-not-supported/77375/3 "2006-11-27T13:41:25Z")

</div>

Peter De Berdt wrote:

> On 27 Nov 2006, at 12:30, Kad K. wrote:
> 
> > my config.rb
> > 
> > ActionMailer::Base.delivery\_method = :smtp  
> > ActionMailer::Base.server\_settings = {  
> > :address =\> “localhost”,  
> > :port =\> 25,  
> > :domain =\> “www.our\_domain.com”  
> > :authentification =\> :login,
> 
> typo, should be:  
> :authentication =\> :login
> 
> > :user\_name =\> ‘me\_admin@rour\_domain.com’,  
> > :password =\> ‘me\_admin\_password’  
> > }  
> > ActionMailer::Base.raise\_delivery\_errors = :true  
> > ActionMailer::Base.perform\_deliveries = :true  
> > ActionMailer::Base.default\_charset = “utf-8”
> 
> Best regards
> 
> Peter De Berdt

Gott mit uns ! I need a glass refactoring…

thanks Peter !!!