RE: Sendmail configuration problem? Some servers refusing to receive mail from me...

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oh, actually, I should kick myself.

>>    ----- Transcript of session follows -----
>> ... while talking to mail.letsos.com.:
>>>>> HELO mail.frazerbilt.com.
>> <<< 501 5.5.4 Invalid Address
>> 554 5.0.0 Service unavailable

your MTA is adding a . at the end of its FQDN

and as mail.frazerbilt.com. is not a valid DNS name you get the 554 error.

-- 
Steve.

> I doubt that is the cause. The users that are complaining of the
> problems had previously been using another mail server without any
> issue. They simply switched over to my new mail server and started using
> it.
>
> They have most of their addresses in their outlook address book, so if
> it worked before then there shouldn't really be a reason that it won't
> work now.
>
> And yes, it does say "invalid address", but that isn't really very
> informative. There are at least 4 addresses used in the mail
> transaction:
>
> 	Sending MTA HostName
> 	Receiving MTA HostName
> 	Sender Email address
> 	Recipient Email address
>
> I am just trying to decipher exactly what the recipient MTA is telling
> me. But I doubt I will know for sure until I call them directly on
> Monday.
>
> Thanks for the suggestions =0)
>
> -----Original Message-----
> From: redhat-list-admin@xxxxxxxxxx [mailto:redhat-list-admin@xxxxxxxxxx]
> On Behalf Of Steve Phillips
> Sent: Saturday, January 03, 2004 9:11 PM
> To: redhat-list@xxxxxxxxxx
> Subject: Re: Sendmail configuration problem? Some servers refusing to
> receive mail from me...
>
> The problem does not appear to be your end, rather the addresses your
> users are trying to send e-mail to.
>
> Check the address, you will probably find invalid characters in the area
> you have "blanked" out.
>
> for example..
>
> [steve@gateway steve]$ telnet mail.letsos.com 25
> Trying 68.164.127.90...
> Connected to mail.letsos.com.
> Escape character is '^]'.
> 220 mail.letsos.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.0
> ready at  Sat, 3 Jan 2004 21:00:30 -0600
> HELO focb.co.nz
> 250 mail.letsos.com Hello [210.48.7.253]
> MAIL FROM: <test@xxxxxxxxxx>
> 250 2.1.0 test@xxxxxxxxxxxxxxxxxxxx OK
> RCPT TO: <fr<ed@xxxxxxxxxx>
> 501 5.5.4 Invalid Address
>
> The clue is the bounce message - they are not telling fibs. If it says
> "oh
> yeah, this address <*****@letsos.com> is invalid" then it simply is - at
> times this can be an extra dot, a space or other hard to spot things,
> but
> it _will_ be invalid. (a classic is a trailing space in the domain name
> :-) )
>
> Also, keep in mind - this message was generated by the far end mail
> server
> - this means that your users sent mail through a server, the server (not
> necessarily your one) tried to deliver it, the letsos server said "no,
> bog
> off, this is invalid" and the sending server said "darn !" and
> generateda
> message to send to your-user@xxxxxxxxxxxxxx to tell them that the e-mail
> address they just tried to send to was not valid. most of this can be
> completely independant of your mail server (a  trick spammers like to
> take
> advantage of) and as long as your mail server is working ok your user
> will
> get the bounce, if your mail server is not working they wont get a
> bounce.
> Things look fine for your mail system as far as I can see and this looks
> like a PEBKAC error.
>
>
> --
> Steve.
>
>
>
>> I have setup a sendmail server and have been using it successfully for
> a
>> week or so now. I added some more accounts and these people and been
>> complaining of having some of their emails returned to them with the
>> following error:
>>
>>
> ------------------------------------------------------------------------
>>
>>    ----- The following addresses had permanent fatal errors -----
>> <*****@letsos.com>
>>     (reason: 501 5.5.4 Invalid Address)
>>
>>    ----- Transcript of session follows -----
>> ... while talking to mail.letsos.com.:
>>>>> HELO mail.frazerbilt.com.
>> <<< 501 5.5.4 Invalid Address
>> 554 5.0.0 Service unavailable
>>
>> --------------------[ here is the details.txt file:
>> ]--------------------
>>
>> Reporting-MTA: dns; mail.frazerbilt.com.
>> Received-From-MTA: DNS; adsl-65-66-208-5.dsl.hstntx.swbell.net
>> Arrival-Date: Thu, 1 Jan 2004 09:45:24 -0600
>>
>> Final-Recipient: RFC822; *****letsos.com
>> Action: failed
>> Status: 5.5.0
>> Diagnostic-Code: SMTP; 501 5.5.4 Invalid Address
>> Last-Attempt-Date: Thu, 1 Jan 2004 09:45:25 -0600
>>
>>
> ------------------------------------------------------------------------
>>
>> The * is to hide the real email address.
>>
>> I thought it might have something to do with the reverse lookup of my
>> mail servers name, but I checked and it is correctly mapped to
>> mail.frazerbilt.com.
>>
>> My servers IP address is 65.45.50.130.
>>
>> Can anyone tell me what exactly that error message means?
>>
>> Thanks
>>
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