[CentOS] problems with sendmail

[Steven Haigh]

On 06/08/2007, at 1:49 PM, Indunil Jayasooriya wrote:
>  I have a problem with Sendmail in CentOS 5. I want use  
> authentication for external access. I configure my sendmail.mc:
>
> TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
> define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5  
> LOGIN PLAIN')dnl
>
> But when send a message, show this message:
>
> Relaying denied. Proper authentication required.
>
> Any idea of the error?
>
> YES,
>
> define(`confAUTH_OPTIONS', `A')dnl
> TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
> define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5  
> LOGIN PLAIN')dnl
>
> Then, These two are needed.
>
>    chkconfig saslauthd on
>     /etc/init.d/saslauthd start
>

Also make sure you have the cyrus-sasl-md5 package installed if you  
want to use MD5 auth. By default, PLAIN auth information is disabled  
in sendmail...

--
Steven Haigh

Email: netwiz at crc.id.au
Web: http://www.crc.id.au
Phone: (03) 9017 0597 - 0404 087 474