Re: [exim] SMTP error from remote mail server

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Συντάκτης: Bill Hacker
Ημερομηνία:  
Προς: exim
Αντικείμενο: Re: [exim] SMTP error from remote mail server
Leonid Shulov wrote:

> Steven Wayne wrote:
>
>> On Wed, Jan 18, 2006 at 12:16:13PM +0200, Leonid Shulov wrote:
>>
>>
>>> Date: Wed, 18 Jan 2006 12:16:13 +0200
>>> From: Leonid Shulov <lshulov@???>
>>> To: exim-users@???
>>> Subject: [exim] SMTP error from remote mail server
>>>
>>> When I send mail from root to SMTP server in log file and Mail
>>> Delivery I see this report:
>>>
>>> lshulov@???
>>> SMTP error from remote mail server after RCPT
>>> TO:<lshulov@???>:
>>> host mail.arabellasw.com [xxx.xxx.xxx.xxx]: 550 cannot route to
>>> sender address <root@???>
>>>
>>> What can I change in config files to resolve this problem?
>>>
>>
>>
>>
>> Don't send emails from "myhost.localdomain".
>>
>> The server you're sending to has a check for valid domains and your email
>> is failing it.
>>
>>
>> Steven.
>>
>>
>
> "myhost.localdomain" is my local PC from wich I want to send E-mail.
>
> Leonid
>


Hopefully with an MUA, not Exim.

If so, your upstream ISP will replace that or add to it, such that you
appear to be hitting the MTA as, for example:

bzq-80-16-113.red.bezeqint.net ([82.80.16.113]    helo=[192.168.0.80])


- as you appeared in this message.

or as:

69-170-39-40.chvlva.adelphia.net ([69.170.39.40]:49513)    


- as I (presently) appear in my posting, though the 'hostname' on my Mac
is simply 'pb'.

If you want to run Exim, or any other MTA, on a PC (very bad idea) you
should have:

- a fixed IP

- a registered 'real' domain.tld,

- a complete DNS entry, including rDNS PTR record

that are published to the world at large.

Even if you have control of an authoritative DNS, few ISP's will support
a fixed IP and a PTR record on a 'residential' or SOHO subscription.

Without these, most properly configured MTA's may (should) reject your
traffic, as it will look exactly spam-worms from a zombified WinBox.

MTA's are for servers, even if only one-user-per-domain, and the DNS and
such is every bit as important as the code.

Otherwise, most MUA's can do everything 'mailish' that a PC user, or
'family' sharing same needs, including supporting mailing lists, spam
filtering, multiple e-mail ID's, etc.

Horses for courses, IOW.

HTH,

Bill Hacker