[xmail] AW: Re: AW: Re: AW: Re: XMail growing memory image ...

2004-01-13 Thread Harald Schneider
Did you check mem usage now? Maybe this prob is also solved.

--Harald


 -Urspr=FCngliche Nachricht-
 Von: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] Im Auftrag von Pascal de R.
 Gesendet: Dienstag, 13. Januar 2004 08:38
 An: Davide Libenzi
 Betreff: [xmail] Re: AW: Re: AW: Re: XMail growing memory image ...
=20
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 mardi 13 janvier 2004 at 08:30:34, you said :
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 Davide On Tue, 13 Jan 2004, Pascal  de R. wrote:
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  XMail has running all night without crash
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 Davide I lost the track. So, now you have RH9 + -static +=20
 Davide LD_ASSUME_KERNEL, don't you?
=20
 No I have :
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 Compil on RH9 without -static but with LD_ASSUME_KERNEL
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  Davide; do you the coredump file of previous crash or can=20
 i destroy=20
  it ?
=20
 Davide You can nuke it.
=20
=20
=20
=20
 Davide - Davide
=20
=20
 Davide -
 Davide To unsubscribe from this list: send the line=20
 unsubscribe xmail=20
 Davide in the body of a message to [EMAIL PROTECTED]
 For general=20
 Davide help: send the line help in the body of a message to=20
 Davide [EMAIL PROTECTED]
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   Best regards,
   Pascal, [EMAIL PROTECTED]
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[xmail] Re: AW: Re: AW: Re: AW: Re: XMail growing memory image ...

2004-01-13 Thread Pascal de R.

  Memory is ok :-)
  
  Running normally around 66 Mo and without crash till yesterday...we
  have to wait more to be sure about crash!


mardi 13 janvier 2004 at 08:48:16, you said :

Harald Did you check mem usage now? Maybe this prob is also solved.

Harald --Harald


 -Urspr=FCngliche Nachricht-
 Von: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] Im Auftrag von Pascal de R.
 Gesendet: Dienstag, 13. Januar 2004 08:38
 An: Davide Libenzi
 Betreff: [xmail] Re: AW: Re: AW: Re: XMail growing memory image ...
=20
=20
=20
 mardi 13 janvier 2004 at 08:30:34, you said :
=20
 Davide On Tue, 13 Jan 2004, Pascal  de R. wrote:
=20
  XMail has running all night without crash
=20
 Davide I lost the track. So, now you have RH9 + -static +=20
 Davide LD_ASSUME_KERNEL, don't you?
=20
 No I have :
=20
 Compil on RH9 without -static but with LD_ASSUME_KERNEL
=20
=20
  Davide; do you the coredump file of previous crash or can=20
 i destroy=20
  it ?
=20
 Davide You can nuke it.
=20
=20
=20
=20
 Davide - Davide
=20
=20
 Davide -
 Davide To unsubscribe from this list: send the line=20
 unsubscribe xmail=20
 Davide in the body of a message to [EMAIL PROTECTED]
 For general=20
 Davide help: send the line help in the body of a message to=20
 Davide [EMAIL PROTECTED]
=20
=20
=20
=20
=20
   Best regards,
   Pascal, [EMAIL PROTECTED]
=20
 -
 To unsubscribe from this list: send the line unsubscribe=20
 xmail in the body of a message to [EMAIL PROTECTED]
 For general help: send the line help in the body of a=20
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Harald -
Harald To unsubscribe from this list: send the line unsubscribe xmail in
Harald the body of a message to [EMAIL PROTECTED]
Harald For general help: send the line help in the body of a message to
Harald [EMAIL PROTECTED]





  Best regards,
  Pascal, [EMAIL PROTECTED]

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[xmail] Re: relaying issue

2004-01-13 Thread Tracy
At 10:38 1/13/2004, Jeffrey Laramie wrote:
That's kinda interesting. You have multiple A records pointing to
66.219.172.36. We're getting a little OT here but why do you use A
records instead of CNAMEs? I know there was some debate about this years
ago and at that time the conventional wisdom was that CNAMEs were
better. I don't know what the 'preferred ' configuration is these days.
Because RFC2822 specifies that A records for mail servers should not be 
CNAMEs...:) 


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[xmail] Re: relaying issue

2004-01-13 Thread Tracy
At 10:38 1/13/2004, Jeffrey Laramie wrote:
Right, but getting back to Dale's original concern, his virtual domains
won't fail the remote server's RDNS check if the DNS for his SMTP server
is configured correctly. And he shouldn't be afraid to use RDNS to check
the validity of a remote server. Even a couple of years ago spoofing was
relatively rare and a mail server that failed RDNS was not a big deal.
Today about half of the spam I see is rejected by RDNS before my users
see it. IMHO any SMTP server that fails RDNS is broken and should be fixed.
True. However, most RDNS checks today are to determine that a mail server 
(ie. a connecting IP address) *has* a PTR record, not to match the PTR 
record with the HELO or MAIL FROM domain.

However, with that said, I do match the PTR record against a number of 
known spam source DNS names, and reject if I find it in that list... 


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[xmail] Re: relaying issue

2004-01-13 Thread Jeffrey Laramie
Tracy wrote:

At 10:38 1/13/2004, Jeffrey Laramie wrote:
  

That's kinda interesting. You have multiple A records pointing to
66.219.172.36. We're getting a little OT here but why do you use A
records instead of CNAMEs? I know there was some debate about this years
ago and at that time the conventional wisdom was that CNAMEs were
better. I don't know what the 'preferred ' configuration is these days.


Because RFC2822 specifies that A records for mail servers should not be 
CNAMEs...:) 

  


Good reason!

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[xmail] Re: relaying issue

2004-01-13 Thread chabral
Tracy [EMAIL PROTECTED] wrote:
 Because RFC2822 specifies that A records for mail servers should not
 be CNAMEs...:)

You mean, rcf 2821.
Here is an extract:
Once an SMTP client lexically identifies a domain to which mail will 
   be delivered for processing (as described in sections 3.6 and 3.7), a 
   DNS lookup MUST be performed to resolve the domain name [22].  
   [.]
   The lookup first attempts to locate an MX 
   record associated with the name.  If a CNAME record is found instead, 
   the resulting name is processed as if it were the initial name.  If 
   no MX records are found, but an A RR is found, the A RR is treated as 
   if it was associated with an implicit MX RR, with a preference of 0, 
   pointing to that host.  If one or more MX RRs are found for a given 
   name, SMTP systems MUST NOT utilize any A RRs associated with that 
   name unless they are located using the MX RRs; the implicit MX rule 
   above applies only if there are no MX records present.  If MX records 
   are present, but none of them are usable, this situation MUST be 
   reported as an error. 

regards,

chabral
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[xmail] Re: relaying issue

2004-01-13 Thread Jeffrey Laramie
chabral wrote:

Jeffrey Laramie [EMAIL PROTECTED] wrote:
 
  

Would you by any chance have a link to this document? This is
something I really need to keep up on.



Here you can find all rfcs:
http://www.rfc-index.com/

  


Great, thanks. You've provided a valuable resource *and* cured my 
insomnia with a single link ;-)

Jeff

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[xmail] Re: POP3?

2004-01-13 Thread Tracy
At 20:56 1/13/2004, Dustin C. Hatch wrote:
by relay, do you mean open their client, set mail.mydomain.com as smtp
and send messages?


Relaying mail means that a host can send mail through your server without 
restriction.

If the host is a local host (ie. under your control), this may be a good 
thing - as it means they can send mail to anyone they choose.

If the host is not a local host (ie. is not under your control), this is 
likely a bad thing - it's one of the means that spammers use to send out 
their email.

However, it is not necessary for local users' IP addresses to be listed in 
smtprelay.tab, as their mail clients can usually provide authentication to 
the server (ie. they set their mailbox user name and password in their mail 
clients, and tell it to authenticate when sending mail as well as when 
receiving mail).

The only time it's really necessary to list addresses in smtprelay.tab is 
for local host machines which are not capable of authenticating when 
sending mail - the most common example is a web server that has to generate 
emails (such as order confirmations). Web pages typically aren't set up to 
authenticate to your mail server when sending their emails.


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