Hi ,
Is there any alternative , how to stop if spammer / virus infected
machine start sending such emails.
Due to this outlook's "On Behalf of" option , one of our end user
created the noise. This option makes confusion , when the end
recipient receive the emails and reply it.
I came to know in exchange this can be control from server side.
How the other experts are handling this kind of issue from server side.
I am searching the option by which postfix will allow SMTP relay only
if auth id + From: + Sender: are same.
Regards
Jayesh Shinde
On 06/06/2013 06:20 PM, Noel Jones wrote:
On 6/6/2013 3:47 AM, jayesh shinde wrote:
But now a days few of my users who are using the MS Outlook 2007
are start sending the emails by changing the different From:
address and creating problem.
The MS outlook have the feature where end user can use any other's
email id in From: For Example see this Delegation - Sending Email
'On Behalf Of' on
http://isservices.tcd.ie/email/exchange-outlook-usage.php .
Postfix has no mechanism to verify the contents of the From: header.
I suppose you could get all BOFH about it and use header_checks to
remove the From: header, and let postfix replace it with the sender
address. But this isn't a good idea.
-- Noel Jones
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