[thelist] Basic sendmail question

Ron ronr at linuxdude.com
Fri Mar 24 19:44:40 CST 2006


The brackets were the secret with bellsouth. If I remember correctly, 
this tells sendmail to not do the mx record lookup.


define(`SMART_HOST', `[mail.bellsouth.net]')



Brent Eades wrote:

>Hope this isn't too far off topic... anyway, I run a web server from 
>home, using my DSL account to connect to the Internet.
>
>Recently I had to build a new server after my old (ancient) one finally 
>packed it in. I have everything working fine, except for one small 
>detail: my CGI scripts that rely on sendmail have stopped sending mail. 
>Or more to the point, my ISP has stopped accepting the mail. When I 
>check /var/log/maillog after running one of these scripts, I see:
>
>[snip] relay=to1.bellnexxia.net [snip] DSN: Service unavailable
>
>... where 'to1.bellnexxia.net' is my ISP's SMTP server. (In other words, 
>I need to use my ISP's SMTP server to relay the mail sent by the 
>scripts.) If my hazy memory serves me, the 'Service unavailable' message 
>means my ISP is refusing the mail.
>
>I recall having to jump through some hoops to get sendmail working when 
>I first set this stuff up years ago, but I forget the details. I have 
>changed the SMART_HOST setting in my sendmail config to my ISP's SMTP 
>server, and sendmail is successfully connecting. But I can't remember 
>what else I have to configure to convince the server to accept the mail.
>
>For reference, my ISP is sympatico.ca, and my Linux distro is Fedora 
>Core 4. My web server connects to my ISP through a router. Any and all 
>help much appreciated.
>
>  
>




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