Re: MTA and SMTP ident

[George Bonser <grep@shorelink.com>]

On 1 Apr 1999, Martin Bialasinski wrote:

> GC> I am not sure about this, I can see the envelope From header on
> GC> messages sent to the lists.
> 
> Some MTA convert the SMTP envelope into X-something message
> headers. The envelope looks like

It usually shows up as:

Return-Path:

> GC> Is is possible that the MAIL FROM: command in the SMTP protocol is
> GC> responsible, and if so, is there any way to circumvent ?
> 
> No, I never heared of a MTA changing the from or sender headers or
> such. It may do checks on the headers though (I belive exim can do this).

So can sendmail with the "Masquerade Envelope" feature.



George Bonser

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