Blacklisted by Tesco.net?
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Blacklisted by Tesco.net?
02-07-2015 8:22 PM
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Server Response: 550 5.7.1 [C18] RBL restriction: Blacklisted by Internal Reputation Service - 80.229.xxx.xxx
Server: 'mail.tesco.net'
I contacted them and they said: "Due to an increase in spam attacks on our server, certain ISP’s have been temporarily blocked to our server...." and they say that our ISP will be aware of this.
I don't think the spam is coming from me, BTW
Any idea how to get this resolved?
Thanks,
Nick
Re: Blacklisted by Tesco.net?
02-07-2015 8:45 PM
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Have you blanked out the IP address because you're running your own mail server? It's not uncommon for mail servers to reject mail that originates from a consumer ISP address.
Try setting up the server to relay via relay.plus.net and see if that fixes it.
If you're not running your own server, we'll need to see the full IP address to diagnose further as that isn't the first two octets of a PN mail server as far as I'm aware...
Re: Blacklisted by Tesco.net?
02-07-2015 8:56 PM
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thanks,
Nick
Re: Blacklisted by Tesco.net?
02-07-2015 9:00 PM
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Does the bounce message also show the email headers? If so, can you post those with the source and destination email addresses removed?
Re: Blacklisted by Tesco.net?
02-07-2015 9:08 PM
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An unknown error has occurred.
Subject 'testing via tesco'
Server Error: 550
Server Response: 550 5.7.1 [C18] RBL restriction: Blacklisted by Internal Reputation Service - 80.229.158.122
Server: 'mail.tesco.net'
Windows Live Mail Error ID: 0x800CCC69
Protocol: SMTP
Port: 25
Secure(SSL): No
I tried via relay.plus.net and it worked fine, but I believe that won't work when I'm away from my home broadband, right?
Cheers - and thanks for your help
Nick
Re: Blacklisted by Tesco.net?
02-07-2015 9:18 PM
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I hadn't twigged that you're sending via mail.tesco.net I would suspect that they have (now) got the same restriction as Plusnet in that you need to authenticate with their SMTP server in order to send mail from a tesco.net address if you're not using their network.
Try looking at the outgoing email settings in your email client for settings related to SMTP authentication (It'll say something along the lines about using the same details as the incoming details or give you the chance to enter your username and password). If you've already done this then it does look like Tesco are actively blocking the PN IP range unfortunately.
Re: Blacklisted by Tesco.net?
02-07-2015 9:30 PM
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Tesco are saying it is due to high levels of spam originating from whatever address range they are blocking. I guess there will be no progress unless Tesco tell us (plusnet) what the offending addresses are. I was hoping to find out if this process is underway. Tesco have told me my ISP is "aware of this"..
Nick
Re: Blacklisted by Tesco.net?
02-07-2015 9:38 PM
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Not the first time it's happened by all accounts and I wouldn't believe the comment about PN being aware. Have you contacted Tesco about the problem as I suspect this is an issue with a 3rd party filtering service that they're using?
Re: Blacklisted by Tesco.net?
02-07-2015 10:02 PM
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Due to an increase in spam attacks on our server, certain ISP’s have been temporarily blocked to our server, This is normal when a vast amount of spam is sent from a particular server, they will be aware of this and will have taken steps to prevent this Spam abuse, The affected ISP’s will reset this and mail will once again be accepted.
It does suggest the whole ISP has been blocked, not just selected addresses. I would have thought that would get PN's attention, but then perhaps PN doesn't have that many customers (like me) with legacy Tesco email addresses! The problem is, when you have had an email address since the '90s, its hard to let go of it! My whole family will be up in arms if I don't fix this soon
Re: Blacklisted by Tesco.net?
02-07-2015 10:38 PM
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If plusnet will relay all my emails, for any email address, wherever I am, then problem solved
EXCEPT that it's plain text authentication and very insecure. I add my voice to the throng asking for secure authentication
Nick
Re: Blacklisted by Tesco.net?
03-07-2015 7:36 AM
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As regards the free text authentication, you can use any mailbox credentials i.e username+mailboxname & mailbox password for authentication, create a mailbox just for authentication with a completely different password to your main account one.
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Blacklisted by Tesco.net?
03-07-2015 5:33 PM
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Cheers,
Nick
Re: Blacklisted by Tesco.net?
03-07-2015 5:55 PM
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http://rbls.org/80.229.158.122
Re: Blacklisted by Tesco.net?
03-07-2015 8:03 PM
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