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Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

WNewall4
Hooked
Posts: 5
Registered: ‎19-05-2017

Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

A message that you sent to the following recipient could not be delivered due to a permanent error. ** The remote server 213.199.154.202 responded with: ** blahblah@lahlah 550:5.7.1 Service unavailable, Client host [84.93.230.235] blocked using Spamhaus. To request removal from this list see http://www.spamhaus.org/lookup.lasso (AS16012611) [HE1EUR01FT010.eop-EUR01.prod.protection.outlook.com] This message was created automatically by mail delivery software on the server avasout07.

 

http://www.abuseat.org/lookup.cgi?ip=84.93.230.235

5 REPLIES
Power14
Dabbler
Posts: 12
Fixes: 1
Registered: ‎26-06-2016

Re: Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

I am getting the same. I was wondering, if it has to do with using Port 587, outgoing server SMTP.  If you change this back to Port 25, mail set without any problems.

I use Port 587 for sending mail, when using a VPN connection.

I was getting this error, when using my Plusnet IP address, not one from my VPN provider.

Superuser
Superuser
Posts: 9,877
Thanks: 1,240
Fixes: 71
Registered: ‎06-04-2007

Re: Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

The problem has been fixed. A lookup now gives

IP Address 84.93.230.235 is not listed in the CBL.

It was previously listed, but was removed at 2017-07-07 11:27 GMT (1 hours, 6 minutes ago)

 

David
Power14
Dabbler
Posts: 12
Fixes: 1
Registered: ‎26-06-2016

Re: Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

Thanks for the update. Just doing some testing, and see if the problem comes back.

Superuser
Superuser
Posts: 12,932
Thanks: 4,229
Fixes: 26
Registered: ‎22-08-2007

Re: Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

I have just looked up avasout07.plus.net  and it is black listed on BACKSCATTER and SORBUS SPAM.  If only PN had implemented SPF the risk of this might be eliminated!

 

Note to the poster who changes from port 587 to 25 - I very much doubt that was the resolution, rather I suspect that you hit a different SMTP server - relay.plus.net is a virtual address fronting many SMTP servers, not all of which are black listed.

  • avasout01.plus.net is just on BACKSCATTER
  • avasout02/5.plus.net are just on SORBUS SPAM
  • avasout03/4/8.plus.net are on both
  • avasout06.plus.net is on BACKSCATTER, SORBUS SPAM and OSPAM
  • avasout09-20.plus.net are clean but only known to 9 black list services
  • ...I stopped looking at 20 - more than 50% of the SMPT servers are clean

 

Power14
Dabbler
Posts: 12
Fixes: 1
Registered: ‎26-06-2016

Re: Plusnet email server avasout07.plus.net is in Spamhaus CBL which prevents email being sent

Hi Townsman,

Thanks for the full and very concise explanation, and for taking the time to check the Plusnet mail servers out, much

appreciated.

Thanks once again.