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Linux - Server This forum is for the discussion of Linux Software used in a server related context.


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Old 06-16-2008, 11:21 PM   #1
Registered: Mar 2007
Posts: 31

Rep: Reputation: 15

hello everybody...
Can we provide password authentication for smtp relaying between two smtp servers???i.e one server relays the mails to another only after username and password authentication.....
It would be really helpful if somebody provide me a solution regarding this....
Old 06-17-2008, 12:50 AM   #2
Registered: Oct 2005
Location: Australia
Distribution: Slackware & Kubuntu & CentOS
Posts: 106

Rep: Reputation: 17
I am not sure how to do this exactly, but you could set a rule in sendmail (or whatever mail server you run) to allow un-authenticated connections from that specific IP address (add this ip to your relay allow list). I find it is the easiest way to solve this problem (unless of cause you do not have control over the relay server?)
Old 06-17-2008, 09:30 AM   #3
Eric Elliott
Registered: May 2002
Location: coast of TX, USA
Distribution: PCLinuxOS this week, Cyanogenmod
Posts: 92

Rep: Reputation: 15
Must your mail be sent to mail server, do you not have direct connection to Internet? Why not send direct? If you have to go thru a path of SMTP servers, I have no solution.
The SMTP server was off line several hours & several hundred miles away plus I wanted to try Kontact for email. Gave Kontact my email address, pop3 server address for incoming mail and selected Sendmail rather than giving the SMTP server address. My Kubuntu lappy is now it's own mail transport agent; the SMTP server is not needed now. No further need for a outgoing server to help or hinder mail sending.
If, when I go back to Thunderbird, it will use Sendmail for quicker sending.
Exim4 in default MTA for Kubuntu8 but Sendmail was default selection of Kontact, so Sendmail is in use now.



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