MailScanner 5.2.1-1 Released

[Shawn Iverson]

Kevin,

Correct, which is why it is off initially by default.

On Tue, Nov 5, 2019, 2:18 PM Kevin Miller via MailScanner <
mailscanner at lists.mailscanner.info> wrote:

> That's what I was concerned about.  It may be moot, as I'm doing
> DKIM/DMARC     checking in Postfix so hopefully messages will pass or fail
> DKIM (and hence, be accepted or rejected) prior to MailScanner touching
> them.  Definitely something to watch closely and test before applying it to
> my production servers...
>
> ...Kevin
> --
> Kevin Miller
> Network/email Administrator, CBJ MIS Dept.
> 155 South Seward Street
> Juneau, Alaska 99801
> Phone: (907) 586-0242, Fax: (907) 586-4588 Registered Linux User No: 307357
>
> -----Original Message-----
> From: MailScanner <mailscanner-bounces+kevin.miller=
> juneau.org at lists.mailscanner.info> On Behalf Of Mark Sapiro
> Sent: Tuesday, November 5, 2019 10:10 AM
> To: mailscanner at lists.mailscanner.info
> Subject: Re: MailScanner 5.2.1-1 Released
>
> EXTERNAL E-MAIL: BE CAUTIOUS WHEN OPENING FILES OR FOLLOWING LINKS
>
> ________________________________
>
> On 11/5/19 11:01 AM, Kevin Miller via MailScanner wrote:
> > Groovy.
> > One quick question:  Will the insertation of an "External message
> warning" affect DKIM/DMARC?
>
>
> It will modify the message body which will break any DKIM signature which
> signs the body (hard to imagine one that doesn't) and thus will cause any
> DMARC check that relies on DKIM (as opposed to SPF) to fail.
>
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
>
>
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