RE: Sendmail and Outlook

["Dan Doucette" <ddoucette redlon-johnson com>]

>hi, i just have installed sendmail, squirelmail over RedHat Enterprise
2.1,,, 
>the email works perfectly qhen i use squirrelmail (web)to send
receive.. but i tried to use Outlook (my users lito to >use outlook)
.the problem is that i can receive mail form my.domain.com and from
yahoo,hotmail,etc, from anywhere. >But i only can send Mail to mail
account from my.domai.com, whe i tried to send mail to
another.domain.com (for >example) outlook send back to me the next
message>:
>
>" The message could not be sent because one of the recipients was
rejected by the server. The rejected e-mail address >was
'tonnycar yahoo com'. Subject 'fgd', Account: 'mail.stj.gob.mx', Server:
'148.235.57.178', Protocol: SMTP, Server >Response: '550 5.7.1
<tonnycar yahoo com>... Relaying denied. IP name lookup failed
[148.235.57.185]', Port: 25, >Secure(SSL): No, Server Error: 550, Error
Number: 0x800CCC79"
>?
>?
>I edit the sendmail.cf file on the line: 
>?
># SMTP daemon options
>O DaemonPortOptions=Name=MTA, Addr=Ip.Address.myserver
Your missing the port= section.

>O DaemonPortOptions=Port=587, Name=MSA, M=E

I believe you should just have a line like this,

O DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA

Unless you're using message submission authentication (MSA) you wouldn't
need the second line.

>?
>also edit the access file..
>permit Relay from?all my networks.

Did you recompile the access database?

makemap hash /etc/mail/access.db < /etc/mail/access

According to your error message you would need to have an entry like
this in your access file;

148.235.57.185	RELAY 
To relay the whole network
148.235.57		RELAY

BTW, these are public IP's so I wouldn't relay the whole range just the
specific address your sending from. 

>?
>if you can give me?some clue to where do i have to make some
modifications...
>or where i can find? some howto...
>?
>i also use a macafe webshield and i permit relay from all my networks
too.

Plain text only, please. 

Dano