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unexpected "sender" address in outgoing e-mail
https://forum.linode.com/viewtopic.php?f=11&t=10675		 Page 1 of 1
Author:  oneworld [ Fri Dec 06, 2013 6:42 pm ]
Post subject:  unexpected "sender" address in outgoing e-mail
Hi,

I've installed and configured Postfix 2.6.6 on CentOS 6. I've changed very little from default, this is the diff from the default config:

Code:
myhostname = hostx.domainx.ca
mydomain = domainx.ca
myorigin = $mydomain
inet_interfaces = all
mydestination = $mydomain, $myhostname, localhost.$mydomain, localhost
mynetworks = 127.0.0.0/8
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination


I've also added an A record for hostx.domainx.ca, an MX record for hostx.domainx.ca and a PTR record for the host IP that resolves to hostx.domainx.ca.

I can successfully send mail from an external account to osuser@domainx.ca, and it gets delivered to a local mailbox (osuser is a valid user account on hostx.domainx.ca). I can also successfully send mail from osuser@hostx.domainx.ca to an external account. The problem is that delivered e-mail is coming from: osuser@hostx.members.linode.com

myorigin is set to $mydomain, and mydomain is set to domainx.ca, so I expect the mail to come from osuser@domainx.ca.

What am I missing here?

Thank you in advance.
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