How do I allow e-mail to be relayed through this MTA?

Posted by BlueToast on Pro Webmasters See other posts from Pro Webmasters or by BlueToast
Published on 2012-10-16T17:33:41Z Indexed on 2012/10/16 23:21 UTC
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When I try to send an e-mail using authenticationless relay via telnet, I receive an error message "553 sorry, that domain isn't allowed to be relayed thru this MTA (#5.7.1) rcpt to:[email protected]". How can I allow a specific domain to be whitelisted and allowed through the MTA? There is only one domain I am trying to relay e-mails to (and that domain uses a totally different, independent and standalone mail server with IceWarp).

220 mail4.myhsphere.cc ESMTP

ehlo sisterwebsite.com

250-mail4.myhsphere.cc

250-PIPELINING

250-8BITMIME

250-SIZE 41943040

250-AUTH LOGIN PLAIN CRAM-MD5

250 STARTTLS

mail from:[email protected]

250 ok

rcpt to:[email protected]

553 sorry, that domain isn't allowed to be relayed thru this MTA (#5.7.1)

rcpt to:[email protected]

553 sorry, that domain isn't allowed to be relayed thru this MTA (#5.7.1)

rcpt to:[email protected]

553 sorry, that domain isn't allowed to be relayed thru this MTA (#5.7.1)

rcpt to:[email protected]

250 ok

data

354 go ahead

To: [email protected]

From: [email protected]

Subject: Test mail -- please ignore

Test, please ignore this Jane

Sincerely,

BlueToast

.

250 ok 1350407684 qp 22451

quit

221 mail4.myhsphere.cc

Connection to host lost.

C:\Users\genericaccount>

Not sure what to do. I did some Googling but I'm having a hard time finding relevant results. Most of the search results I get are about trying to receive mail -- but I am trying to send mail. mail.sisterwebsite.com = mail4.myhsphere.com. We use FluidHosting for the e-mail on sisterwebsite.com.

(Repeating question just in case) How can I allow a specific domain to be whitelisted and allowed through the MTA?

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