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Sendmail masquerading not working

Sendmail masquerading not working

2005-06-06       - By IECISA.Ortega Gonzalez, Carlos

 Back
Reply:     1     2     3     4     5     6     7     8     9     10  

Hi!



I'm trying to configure sendmail so that all outgoing messages appear to be
sent from another domain. According to the RHEL 3.0 documentation, the
correct way to configure masquerading is to add the following in the
/etc/mail/sendmail.mc file:



FEATURE(always_add_domain)dnl
FEATURE(`masquerade_entire_domain')
FEATURE(`masquerade_envelope')
FEATURE(`allmasquerade')
MASQUERADE_AS(`bigcorp.com.')
MASQUERADE_DOMAIN(`bigcorp.com.')
MASQUERADE_AS(bigcorp.com)



I've made these changes, used the m4 macro to generate the sendmail.cf file,
and restarted sendmail. But when I send a message, the FROM field doesn't
change at all.



Are there any additional options in the senmail.mc file that I have to
change? Is there any option that invalidates masquerading?



Thank you very much.



Regards,



Carlos Ortega Gonz?lez

 Iberia Sistemas

 DS/SP/Unidad Prod. Ordenadores

 email: HYPERLINK
"mailto:iecisa.cortegag@(protected)"iecisa.cortegag@(protected)

 Extensi?n: 4691




--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.322 / Virus Database: 267.4.1 - Release Date: 02/06/2005


-- ---- ---- ---- ---- ---- ---- ---- ---- ---
Has decidido el mejor precio.  Has decidido IBERIA.com
You?ve chosen the best price. You?ve chosen  IBERIA.com
-- ---- ---- ---- ---- ---- ---- ---- ---- ---
http://www.iberia.com


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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi!</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I'm trying to configure sendmail so that all
outgoing messages appear to be sent from another domain. According to the RHEL
3.0 documentation, the correct way to configure masquerading is to add the
following in the /etc/mail/sendmail.mc file:</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<pre><tt><font size=3 color=black face=Courier><span lang=EN-GB
style='font-size:12.0pt;font-family:Courier'>FEATURE(always_add_domain)dnl<
/span></font></tt></pre><pre><tt><font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>FEATURE(`masquerade_entire_domain')</span></font></tt><
/pre><pre><tt><font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>FEATURE(`masquerade_envelope')</span></font></tt></pre>
<pre><tt><font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>FEATURE(`allmasquerade')</span></font></tt></pre><pre><tt>
<font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>MASQUERADE_AS(`bigcorp.com.')</span></font></tt></pre><pre
><tt><font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>MASQUERADE_DOMAIN(`bigcorp.com.')</span></font></tt></pre>
<pre><tt><font
size=3 color=black face=Courier><span lang=EN-GB style='font-size:12.0pt;
font-family:Courier'>MASQUERADE_AS(bigcorp.com)</span></font></tt></pre>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I've made these changes, used the m4 macro to
generate the sendmail.cf file, and restarted sendmail. But when I send a
message, the FROM field doesn't change at all.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Are there any additional options in the senmail.mc
file that I have to change? Is there any option that invalidates masquerading?<
/span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Thank you very much.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Regards,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><strong><b><font size=3 face="Times New Roman"><span
lang=EN-GB style='font-size:12.0pt'>Carlos Ortega</span></font></b></strong>
<strong><b><font
face="Times New Roman"><span lang=EN-GB> Gonz??lez</span></font></b></strong><
/p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-GB
style='font-size:10.0pt'>&nbsp; Ib</span></font><font size=2><span
style='font-size:10.0pt'>eria Sistemas</span></font></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span style='font-size:
10.0pt'>&nbsp;&nbsp;DS/SP/Unidad Prod. Ordenadores</span></font></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span style='font-size:
10.0pt'>&nbsp; email: <a href="mailto:iecisa.cortegag@(protected)">iecisa
.cortegag@(protected)</a>
</span></font></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span style='font-size:
10.0pt'>&nbsp; Extensi??n: 4691</span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;</span></font></p>

</div>

</body>

</html>
<BR>

<P><FONT SIZE=2>--<BR>
No virus found in this outgoing message.<BR>
Checked by AVG Anti-Virus.<BR>
Version: 7.0.322 / Virus Database: 267.4.1 - Release Date: 02/06/2005<BR>
</FONT> </P>
<BR>

<P><B><FONT SIZE=2 FACE="Arial">-- ---- ---- ---- ---- ---- ---- ---- ---- ---<
/FONT></B></P>

<P><B><FONT SIZE=2 FACE="Arial">Has decidido el mejor precio.  Has decidido
IBERIA.com </FONT></B></P>

<P><FONT SIZE=2 FACE="Arial">You?ve chosen the best price. You?ve chosen
IBERIA.com </FONT></P>

<P><FONT SIZE=2 FACE="Arial">-- ---- ---- ---- ---- ---- ---- ---- ---- ---<
/FONT></P>

<P><B><FONT SIZE=2 FACE="Arial">http://www.iberia.com </FONT></B></P>
<BR>

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