Fetchmail dns problem, or sendmail ?

Fetchmail dns problem, or sendmail ?

Post by DrCla » Fri, 25 Apr 2003 17:11:04



Hi

I've recently started having some strange problems with my mail.

My setup is as follows :

I have several email accounts - 2 at hotmail, one at my ISP, and one at uni.
I use gotmail to retrieve the hotmail mails, and pass them directly to
procmail + spamd to remove the 32387987 spam mails I get. This works fine.

It's the other half that is causing problems at the moment.

I have fetchmail retrieving my mail from my ISP with the following config :

 
 
 

Fetchmail dns problem, or sendmail ?

Post by DrCla » Fri, 25 Apr 2003 17:21:17


OE crashed, yet somehow sent this message... go figure :(


> Hi

> I've recently started having some strange problems with my mail.

> My setup is as follows :

> I have several email accounts - 2 at hotmail, one at my ISP, and one at
uni.
> I use gotmail to retrieve the hotmail mails, and pass them directly to
> procmail + spamd to remove the 32387987 spam mails I get. This works fine.

> It's the other half that is causing problems at the moment.

> I have fetchmail retrieving my mail from my ISP with the following config
:

drclaw:/home/drclaw>cat .fetchmailrc
set postmaster "drclaw"
#set bouncemail
#set no spambounce
poll mailserverthingy.rmit.edu.au with proto POP3
        user 'xxxx' pass 'xxxx' options ssl fetchall

poll mailserverthingy2.blah.au with proto POP3
        user 'xxxx' pass 'xxxx' options fetchall

This used to work perfectly with fetchmail, but for some reason it has
stopped, and I get pages of the following errors :

fetchmail: SMTP error: 451 4.1.8 Domain of sender address


does not resolve

fetchmail: SMTP error: 451 4.1.8 Domain of sender address

For like every email it retrieves.

The NSLOOKUP response for all of these is fine :

ie :

drclaw:/home/drclaw>nslookup sdf.lonestar.org
Server:  dns.iinet.net.au
Address:  203.0.178.191

Non-authoritative answer:
Name:    sdf.lonestar.org
Address:  192.94.73.1

And maillog has the following lines in it :

Apr 24 18:07:15 apone sm-mta[52631]: h3O87CIe052631: ruleset=check_mail,

, relay=localhost [127.0.0.1], reject=451 4.1.8 Domain of sender address

ot resolve

sendmail stops issuing these errors if i add jam.iinet.net.au to the
/etc/hosts file

How would I go about debugging this? It makes receiving mail very difficult
at the moment. Is this a sendmail issue? SHould I setup fetchmail to deliver
straight to procmail? If possible I would like to work out why this is
happening, but any comments or suggestions would be much appreciated.

I'm running FreeBSD 5.0, custom kernel (essentially generic + IPDIVERT for
firewall and other options, + sound), K6-2 400 + 192mb ram.

Thank you for your help :->

 
 
 

Fetchmail dns problem, or sendmail ?

Post by R. Read » Sat, 26 Apr 2003 04:26:44



> poll mailserverthingy.rmit.edu.au with proto POP3
>         user 'xxxx' pass 'xxxx' options ssl fetchall

> poll mailserverthingy2.blah.au with proto POP3
>         user 'xxxx' pass 'xxxx' options fetchall

If you installed procmail, then you must add in these lines that the mails
should be passed with procmail (and not port 25 watched by sendmail). You can
see how to add this with the man pages. Configuring sendmail is much more
difficult!

Rodrigo.

 
 
 

1. Why fetchmail abends when dns problem?

        Hi,

        I have a bit strange problem with fetchmail - if the message I
fetch has one of the recipients for which the dns can not resolve the
addr., the fetchmail abends. First I wonder why it has to validate the dns
names for all the recipients - say if the letter is addressed to me and
somebody other why this other recipient address should be validated?


reading message 1 (131 bytes) .
fetchmail: nameserver failure while looking for `geology..acad.bg' during
poll of mail.globalserve.net.
fetchmail: client/server synchronization error while fetching from
mail.globalserve.net

        In the example above the `geology..acad.bg' is an errorneous addr.
for one of the other recipients of the letter.

        It seems there is no option in the manpage which tells fetchmail
to not validate all the recipients.

        Btw., I read such messages with netscape but I prefer a
conventional mail program instead those flashy GUI.

                                                George.

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