[Postfixbuch-users] Ebay und HELO

[Matthias Haegele]

Uwe Driessen schrieb:
> Alexander Stoll schrieb:
>> Sent: Tuesday, February 06, 2007 1:34 PM
>> To: Eine Diskussionsliste rund um das Postfix-Buch von Peer Heinlein.
>> Subject: Re: [Postfixbuch-users] Ebay und HELO
>>
>> Jan P. Kessler schrieb:
>>
>>> Klar ist das, was private Adressen bei Reverse-Lookups einzelner eBay
>>> Systeme angeht. Aber steht wirklich in einem RFC, dass der HELO-Name in
>>> eine nicht-rfc1918-Adresse auflösbar sein muss? Ich dachte, da stünde
>>> "should"(!) und es reiche daher ein FQDN? Dann wärst Du derjenige, der
>>> sich nicht RFC-konform verhält...
>>>
>>> Gruß, Jan
>> RFC2821
>>
>> 3.6 Domains
>>
>>    Only resolvable, fully-qualified, domain names (FQDNs) are permitted
>>    when domain names are used in SMTP.  In other words, names that can
>>    be resolved to MX RRs or A RRs (as discussed in section 5) are
>>    permitted, as are CNAME RRs whose targets can be resolved, in turn,
>>    to MX or A RRs.  Local nicknames or unqualified names MUST NOT be
>>    used.  There are two exceptions to the rule requiring FQDNs:
>>
>>    -  The domain name given in the EHLO command MUST BE either a primary
>>       host name (a domain name that resolves to an A RR) or, if the host
>>       has no name, an address literal as described in section 4.1.1.1.
>>
>>
>> Ebay ist technisch eine desolate Ansammlung von Schrott, "Shareholder Value"
>> eben, vollkommen ignorant und merkbefreit. Postmaster ist offensichtlich ein
>> direkter Link nach /dev/null...
>>
>> Hat schon mal _irgenwer_ ne Antwort bekommen???
> 
> Keine Ahnung auf welche Adresse die die Antwort rausschicken das ist aber auch nicht
> wirklich mein Problem.
> Angenommen wurden alle Mails Antwort kam nur eine zurück 
> 
> Nu hab ich es getan und in rfc-ignorant.org eingetragen  mal guggen ob sich jetzt was tut
> *gg
> 
> i send one Mail to the Adresses
> 
> 'abuse at ebay.de'; 'abuse at ebay.com'; 'postmaster at ebay.com'; 'postmaster at ebay.de';
> 'hostmaster at ebay.com'; 'hostmaster at ebay.de'
> 
> and become 
> 
> 
> Your message to safeharbor at ebay.com was not received  (KMM244185614V70712L0KM)
> 
> 
> Thank you for writing to the eBay SafeHarbor Team. 
>  
> The address you wrote to (safeharbor at ebay.com) is no longer in service. 
> Please re-send your email to us through the Contact Us page listed below. 
> 
>  http://pages.ebay.com/help/contact_us/_base/index.html
> 
> Using this service will help us direct your email to the right department and quickly
> respond to your inquiry. Choosing the most appropriate topic from this page will help us
> answer your question faster. 
> 
> REPORTING SPOOF
> 
> If you received this message after attempting to report an email that appears to have come
> from eBay but actually directs you to another site, you must forward the message to us
> again by using the forward function of your email program. Make certain that
> spoof at ebay.com is in the "to" 
> field. Do not alter the subject line, add text to your message or forward the email as an
> attachment. 
> 
> We appreciate your assistance in this matter and apologize for any inconvenience this may
> have caused you.
> 
> Sincerely, 
>  
> eBay SafeHarbor Team
> 
> Tips to Avoid Spoof:
> 
> To help our members better protect themselves from spoof Web sites, we have developed a
> new feature for the eBay Toolbar called "Account Guard." Account Guard includes an
> indicator of when you are on an eBay or PayPal Website, buttons to report fake eBay
> Websites, and a password notification feature that warns you when you may be entering your
> eBay password into an unverified site. To learn more about the eBay Toolbar with Account
> Guard, open a new browser and type www.ebay.com/ebay_toolbar into the address bar. Note
> that eBay will never send you an email that includes a download as an attachment or a link
> that goes to a page with a download.
> 
> eBay also recommends that you ensure that your Web browser, operating system, and virus
> protection software are up to date. Check for updates at the "Windows Update" link on
> www.microsoft.com and scan your computer for viruses often.


Du verwendest wohl sehr restriktive Checks, aber das ist vmtl. Absicht?: ...
Jedenfalls konnte ich keine PM an dich schicken.
MH:

> The Postfix program
> 
> <driessen at fblan.de>: host mail.fblan.de[193.158.37.130] said: 550 5.7.1
>     <213-239-199-112.clients.your-server.de[213.239.199.112]>: Client host
>     rejected: no dynIP please! wenden Sie sich an Ihren Hostservice 2 (in reply
>     to RCPT TO command)

Ist ein hetzner Rootserver, keine dynamische, sondern statische Adresse ...

> 
> 
> Reporting-MTA: dns; hermes.linuxrocks.dyndns.org
> X-Postfix-Queue-ID: C2C1876400B
> X-Postfix-Sender: rfc822; mhaegele at linuxrocks.dyndns.org
> Arrival-Date: Tue,  6 Feb 2007 14:59:26 +0100 (CET)
> 
> Final-Recipient: rfc822; driessen at fblan.de
> Action: failed
> Status: 5.0.0
> Diagnostic-Code: X-Postfix; host mail.fblan.de[193.158.37.130] said: 550 5.7.1
>     <213-239-199-112.clients.your-server.de[213.239.199.112]>: Client host
>     rejected: no dynIP please! wenden Sie sich an Ihren Hostservice 2 (in reply
>     to RCPT TO command)