[Mailman-Users] Undelivered Mail Returned to Sender
heller at deepsoft.com
Sat Aug 4 10:18:55 EDT 2018
Do you have access to your inbound mail server? If so, you need to arrange for
that server to *reject* all mail connections from qq.com. qq.com is a
*notorious* source of spam (there are no legitimate E-Mail addresses @qq.com).
You might also want to firewall Chinese IP addresses as well.
With postfix, you need to add a line to /etc/postfix/access like this:
and run postmap on /etc/postfix/access
Other MTAs have similar files.
At Sat, 4 Aug 2018 09:25:23 -0400 jon.clements at umass.edu wrote:
> Sorry, but can anyone tell me how to stop this from happening? I receive
> one of these in Spam every minute.
> Mailman version 2.1.13 on Mac OSX.
> This is the mail system at host virtualorchard.com.
> I'm sorry to have to inform you that your message could not
> be delivered to one or more recipients. It's attached below.
> For further assistance, please send mail to postmaster.
> If you do so, please include this problem report. You can
> delete your own text from the attached returned message.
> The mail system
> <jmcextman at gmail.com>: host gmail-smtp-in.l.google.com[22.214.171.124] said:
> 550-5.7.1 This message does not have authentication information or
> fails to
> pass 550-5.7.1 authentication checks. To best protect our users from
> the 550-5.7.1 message has been blocked. Please visit 550-5.7.1
> https://support.google.com/mail/answer/81126#authentication for more 550
> 5.7.1 information. 62-v6si1797769ybw.621 - gsmtp (in reply to end of
> ---------- Forwarded message ----------
> From: "é¾è´" <1975834224 at qq.com>
> To: <apple-crop-owner at virtualorchard.com>
> Date: Sat, 04 Aug 2018 19:55:59 +0800
> Subject: 11æ»é¬¼ è¿ä¹é¿æ¶é´ä¸æ¥æ¾æ å æä¼é¹
1960009745 ç¹éä½ 188ç¶µé å°å336428 ç¹COM
> é¢è¯æå~è¦éä½ 188ç¶µé å æä¼é¹
67277<ï¼æä»¶çï¼æ´çæ±é>0016 é¢ è¿æ¥ 336428C0M
Robert Heller -- 978-544-6933
Deepwoods Software -- Custom Software Services
http://www.deepsoft.com/ -- Linux Administration Services
heller at deepsoft.com -- Webhosting Services
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