Question

SPF Record / Update DNS problem with Hosting Company

Asked by: avoskinarian

I have Server 2003 Small Business w/Exchange , and I want to use SenderID. I need to change my DNS settings to update the SPF record, but my domain name (mailer.domain.com)  which is hosted by 1and1.com, and they dont use .txt record to edit the DNS. Is there anything I can do to use SenderID, or a way to test to make sure it work, I am very new to Server 2003 environment ?

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Asked On
2007-05-25 at 11:02:16ID22595374
Tags

spf

,

record

,

dns

Topic

Windows 2003 Server

Participating Experts
1
Points
225
Comments
7

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Answers

 

by: FixingStuffPosted on 2007-05-25 at 12:03:22ID: 19159244

Run a report at http://www.dnsreport.com/ on your domain... just domain.com without the mailer host name.
This will check the overall "health" of your DNS setup.  It is possible that your ISP is doing the SPF setup for you, but if they don't (which will be indicated in DNSreport) you should contact them and request that they set this up for you.  

Also, check www.openspf.org for more information.
fs

 

by: avoskinarianPosted on 2007-05-25 at 12:35:59ID: 19159474

I checked my domain on dnsreport.com and I got 2 WARNINGS

1) WARNING: One or more of your mailservers is claiming to be a host other than what it really is (the SMTP greeting should be a 3-digit code, followed by a space or a dash, then the host name). If your mailserver sends out E-mail using this domain in its EHLO or HELO, your E-mail might get blocked by anti-spam software. This is also a technical violation of RFC821 4.3 (and RFC2821 4.3.1). Note that the hostname given in the SMTP greeting should have an A record pointing back to the same server. Note that this one test may use a cached DNS record.

mailer.DOMAIN.com claims to be host DOMAIN.com [but that host is at 74.xxx.yyy.190 (may be cached), not 64.xxx.yyy.162].

2)Your domain does not have an SPF record. This means that spammers can easily send out E-mail that looks like it came from your domain, which can make your domain look bad (if the recipient thinks you really sent it), and can cost you money (when people complain to you, rather than the spammer). You may want to add an SPF record ASAP, as 01 Oct 2004 was the target date for domains to have SPF records in place (Hotmail, for example, started checking SPF records on 01 Oct 2004).

How do i correct these problems ?

 

by: FixingStuffPosted on 2007-05-25 at 13:57:42ID: 19159901

If 1and1.com are hosting your DNS, then they are the only ones that can resolve this for you.  I noticed that they do not have an SPF record for their own primary domain which may mean that their system cannot support it... which would be hard to believe but possible I suppose.

Your only other option is to host your own DNS server and point your domain name servers to your server. But don't do this unless you really know what you are doing.
fs

 

by: avoskinarianPosted on 2007-05-25 at 14:07:25ID: 19159951

That was what 1and1 told me, i dont really know what I am doing, but now at least I can see messages being accepted through SenderID via Performance Monitor. I would love to host my own DNS, but I am not confident enough and don't want to lose email for a week if i mess it up. I will tread lightly and hope for the best.
FixingStuff, thanks for the help. If you know anythign about setting up DNS I could sure use the help.

 

by: FixingStuffPosted on 2007-05-25 at 15:24:29ID: 19160245

I know all about setting up DNS but it is beyond the scope here at EE to tutor you through it. The best way to start is to read up... knowledge is power.

You may want to consider a third party DNS provider. It would be a good stepping stone because you would have total control of your DNS without the hassle of setup and maintenance of a server and at very low cost.
A couple of my favs are:
www.dyndns.com
www.directnic.com

check out their DNS services.
Regards, fs

20120131-EE-VQP-002

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