Installing outbound SMTP server on CentOS
J.Ede at birchenallhowden.co.uk
Sat Jul 2 07:19:52 IST 2011
Use Watermarking does need to be set to yes. As long as the actions are set to nothing then the header will just be added.
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Kevin Miller
> Sent: 02 July 2011 00:23
> To: 'MailScanner discussion'
> Subject: Installing outbound SMTP server on CentOS
> I'm setting up an outbound server so I have a single egress point from our
> internal network. I'll be running MailScanner on it primarily so that I can set
> the watermarking feature to help control joe-job blowback. I have three
> existing inbound gateways that aren't currently using watermarking. I
> thought I'd post here for a quick reality check before shooting myself in the
> My plan is is to assign all four hosts (one outbound, and three inbound) the
> same watermark per the comments in MailScanner.conf, but leave the line
> "Treat Invalid Watermarks With No Sender as Spam nothing"
> set to nothing initially so that I can do a bit of testing and watching before
> going live.
> The current settings are:
> Use Watermarking no
> Add Watermark yes
> Check Watermarks With No Sender yes
> Treat Invalid Watermarks With No Sender as Spam nothing
> Check Watermarks To Skip Spam Checks yes
> Watermark Secret <some secret string>
> Watermark Lifetime 604800
> Watermark Header X-CBJ-MailScanner-Watermark:
> When I send a message via one of the gateways I'm not seeing the X-CBJ-
> MailScanner-Watermark:. Do I need to set "Use Watermrking" to yes first? I
> would think, given the settings, that the watermark header would be added
> but ignored. If I go ahead and turn on watermarking but leave the invalid
> watermark line set to "nothing" will that turn everything on but not actually
> affect the outcome of the process? (Sort of like the "~all" parameter in
> Kevin Miller Registered Linux User No: 307357
> CBJ MIS Dept. Network Systems Admin., Mail Admin.
> 155 South Seward Street ph: (907) 586-0242
> Juneau, Alaska 99801 fax: (907 586-4500
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