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List: postfix-users
Subject: Re: DMARC usage opinion
From: Dave Goodrich <dgoodrich () greenfieldin ! org>
Date: 2019-12-17 17:33:52
Message-ID: 1870569281.121218.1576604032350.JavaMail.zimbra () greenfieldin ! org
[Download RAW message or body]
----- On Dec 17, 2019, at 8:14 AM, Roberto Carna <robertocarna36@gmail.com> wrote:
Dear, I have a Postfix server and I have SPF and DKIM TXT records in my DNS. \
Everything works OK. But now I want to implement DMARC, but somebody tells me not to \
do it because I'd have some problems and I'll have to use a whitelist for several \
emai addresses, and it's a heavy additional work.
Please can you tell me your opinion about DMARC usage ???
Thanks a lot.
I implemented DMARC recently because of problems with City officials emails being \
used for fraud. I get the reports, I know that people in other countries are using \
our email addresses, I have not the faintest idea what I can do about it. I am having \
trouble understanding the purpose of the reports I receive, I can't do anything with \
the information.
And this digresses into a DMARC discussion, not a Postfix discussion.
DAve
[Attachment #3 (text/html)]
<html><body><div style="font-family: times new roman, new york, times, serif; \
font-size: 12pt; color: #000000"><div data-marker="__QUOTED_TEXT__"><div \
id="zimbraEditorContainer" style="font-family: times new roman, new york, times, \
serif; font-size: 12pt; color: #000000" class="4"><div><span id="zwchr">----- On Dec \
17, 2019, at 8:14 AM, Roberto Carna <robertocarna36@gmail.com> \
wrote:<br></span></div><div><blockquote style="border-left:2px solid \
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:norm \
al;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div \
dir="ltr">Dear, I have a Postfix server and I have SPF and DKIM TXT records in my \
DNS. Everything works OK.<br><div>But now I want to implement DMARC, but somebody \
tells me not to do it because I'd have some problems and I'll have to use a whitelist \
for several emai addresses, and it's a \
heavy additional work.</div><br><div>Please can you tell me your opinion \
about DMARC usage ??? </div><br><div>Thanks a \
lot.</div></div></blockquote><br><div>I implemented DMARC recently because of \
problems with City officials emails being used for fraud. I get the reports, I know \
that people in other countries are using our email addresses, I have not the faintest \
idea what I can do about it. I am having trouble understanding the purpose of the \
reports I receive, I can't do anything with the information.</div><br><div>And this \
digresses into a DMARC discussion, not a Postfix \
discussion.</div><br><div>DAve</div></div></div><br></div></div></body></html>
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