need so send email using send mail and authentication

Our ISP just shutdown the smtp server that we have been using to send mail with on our unix boxes.  The server did not require any authentication.  The unix boxes are running different apps on them that occasionally need to send out email to alert our support people to problems with the server or the apps.  

The only option that our ISP has given us is to use a new smtp server that the ISP created.  The catch is that we have to authenticate to the server now.

HOW do I configure my unix sendmail client to authenticate to a smtp server in order to send mail.
conoverc73Asked:
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shivsaCommented:
the preferred solution is to use SMTP AUTH and SASL (see http://www.sendmail.org/~ca/email/auth.html for details)
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Ravi GoruTechnical ConsultantCommented:

which client r u using ..??

almost with any client .. u can specify the authentication headers or information ..

for accessing an SMTP sever .. !!

just cross check all the options.. !!

best of luck ..

ravigoru
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conoverc73Author Commented:
The client would be sendmail in Solaris.  We have oracle process's that run on the box and monitor the database.  When need be, Oracle will notify the DBA (by email) when there is a problem with the database.  
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Ravi GoruTechnical ConsultantCommented:

Also.. It will be better .. if u configure an SMTP !!

without any authentication..  receving all ur mail..

and relay all that .. to the SMTP which needs that .. auth-credentials..!!

best of luck..:))

RaviGoru
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conoverc73Author Commented:
Thanks.  Thats what we wound up doing.  We installed redhat on an old box and made it our smtp server.  Everything is working great now.
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