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UCEPROTECTL1

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Old Thursday, September 29th, 2011   #1
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Default UCEPROTECTL1

Hello,

If you are on the UCEPROTECTL1 RBL then most likely :
  • Your reverse DNS does not exist
  • Your reverse DNS does not have matching forward DNS
  • Your mail server is an open relay
  • A mail server or client that your mail server relays for is spamming
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Old Friday, December 23rd, 2011   #2
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Default Re: UCEPROTECTL1

My IP is on UCEPROTECTL1. When i check my IP with them i get this error:

Quote:
WARNING: Your ReverseDNS points to a CNAME-Record.
This violates RFC 2181 Section 10.2
Please request your Admin or Provider to fix this.
I have contacted my server support to fix the ReverseDNS so it points to A-record and i got confirmation that they did the job but i am still on Level 1 with Uceprotect?!

Here are my results for dig -x command:
dig -x 174.142.61.201 ; <<>> DiG 9.6-ESV-R4-P3 <<>> -x 174.142.61.201 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56856 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;201.61.142.174.in-addr.arpa. IN PTR ;; ANSWER SECTION: 201.61.142.174.in-addr.arpa. 27985 IN PTR mail.emailmarketing.rs. ;; AUTHORITY SECTION: 61.142.174.in-addr.arpa. 27985 IN NS ns2.iweb-hosting.com. 61.142.174.in-addr.arpa. 27985 IN NS ns1.iweb-hosting.com. ;; ADDITIONAL SECTION: ns1.iweb-hosting.com. 13483 IN A 174.142.253.4 ns2.iweb-hosting.com. 13483 IN A 67.205.116.4 ;; Query time: 11 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Fri Dec 23 16:59:38 2011 ;; MSG SIZE rcvd: 165
Do you have some advice what else is needed to be done??
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Old Friday, December 23rd, 2011   #3
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Default Re: UCEPROTECTL1

For the forward DNS try changing your mail record from a CNAME to an A record.

It currently is :

;; ANSWER SECTION:
mail.emailmarketing.rs. 0 IN CNAME emailmarketing.rs.
emailmarketing.rs. 14400 IN A 174.142.61.201

Try making it :

;; ANSWER SECTION:
mail.emailmarketing.rs. IN A 174.142.61.201

At this time you're not listed, but the above change should clear your "high risk" warnings about CNAME's in your email related DNS records.

Quote:

Reverse DNS (PTR) exists and claimes to be: mail.emailmarketing.rs

WARNING: Your ReverseDNS points to a CNAME-Record.
This violates RFC 2181 Section 10.2
Please request your Admin or Provider to fix this.

This IP is NOT registered at ips.whitelisted.org. More Information about whitelisted.org can be found here.
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Old Friday, December 23rd, 2011   #4
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Default Re: UCEPROTECTL1

I don't get it. My hosting department told me that they have changed the DNS to A record!? How do you check how it is actually setup? I have tried with dig -x command but it seems i don't get actual settings.
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Old Wednesday, December 28th, 2011   #5
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Default Re: UCEPROTECTL1

Hello,

You can check that the change has been made with this command:

> dig mail.emailmarketing.rs

The current zone file still says :

mail.emailmarketing.rs. 0 IN CNAME emailmarketing.rs

Ask them to change it to:


mail.emailmarketing.rs. 14400 IN A 174.142.61.201


Feel free to send them the link to this discussion if needed to help explain the change that you are requesting.
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Old Thursday, December 29th, 2011   #6
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Default Re: UCEPROTECTL1

They've made some changes, but now i can't access my email accounts from my computer?
And they are not so helpful enough. It seems i will have to fix this out myself... Do you know what went wrong?
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Old Thursday, December 29th, 2011   #7
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Default Re: UCEPROTECTL1

Hmm, i did some changes now by myself and got email working remotely again. Could you please make deep check if everything is correct with my server settings?
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Old Thursday, December 29th, 2011   #8
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Default Re: UCEPROTECTL1

Yes, it appears that made the CNAME to A record change correctly and your mail server is accepting incoming smtp connections :


;; ANSWER SECTION:
mail.emailmarketing.rs. 14371 IN A 174.142.61.201


> telnet 174.142.61.201 25
Trying 174.142.61.201...
Connected to 174.142.61.201.
Escape character is '^]'.
220-cl-t201-060cl.privatedns.com ESMTP Exim 4.69 #1 Fri, 30 Dec 2011 00:59:42 +0100
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.
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