Trying to understand some email issues
Patrick Mahan
plmahan at gmail.com
Mon Jan 21 18:49:18 UTC 2019
Thank you, Carmel_NY, I have applied to the postfix mailing list.
Also, thanks for the pointer to postfinger. It looks very interesting.
Patrick
On Mon, Jan 21, 2019 at 4:08 AM Carmel NY <carmel_ny at outlook.com> wrote:
> On Sun, 20 Jan 2019 22:33:02 -0800, Patrick Mahan stated:
>
> >All,
> >
> >FreeBSD 11.2
> >
> >Running postfix 3.3.2_1,1
> >
> >I'm getting hammered with thousands of emails from yahoo.com -
> >
> >Here is an example -
> >
> >Jan 20 22:09:01 ns postfix/smtp[1308]: 2DA97A2E2EF:
> >to=<pwascak at aol.com>,
> >relay=mx-aol.mail.gm0.yahoodns.net[98.137.157.43]:25, delay=13730,
> >delays=13728/0.31/1.1/0.06, dsn=4.7.0, status=deferred (host
> >mx-aol.mail.gm0.yahoodns.net[98.137.157.43] said: 421 4.7.0 [TSS04]
> >Messages from 23.24.207.145 temporarily deferred due to user
> >complaints - 4.16.55.1; see
> >https://help.yahoo.com/kb/postmaster/SLN3434.html (in reply to MAIL
> >FROM command))
> >
> >I'm trying to determine if I am somehow relaying emails to yahoo.com,
> >or is this someone attacking me.
> >
> >I am pretty sure I have postfix to avoid acting like a relay for
> >unauthenticated connections. But this maybe something I have messed
> >up. This has been happening only since I upgraded to 11.2 (I was at
> >9.x). I also just recently switch from sendmail to postfix as well.
> >
> >I can provide my postfix config on request if needed.
> >
> >Pointers to other mail-lists are welcomed. I decided to start here
> >before jumping on the postfix mailing list.
> >
> >Thanks in advance,
> >
> >Patrick
>
> Patrick, you wouldn't see a podiatrist if you were suffering from
> cancer, you would see an oncologist. The same rational is true here.
> Your problem deals with "postfix", so your questions should be directed
> there. There are an extremely knowledgeable group. The author, Wietse
> Venema, quite often chimes in with answers to user's questions. To join
> the list, check this out: http://www.postfix.com/lists.html
>
> In any case, see these URL's for further info:
> http://www.postfix.com/DEBUG_README.html
> http://www.postfix.com/DEBUG_README.html#mail
> Better, provide output from the postfinger tool. This can be found at
> http://ftp.wl0.org/SOURCES/postfinger.
>
> --
> Carmel
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