[SunHELP] Email replication

Fri Jan 12 12:19:33 CST 2001

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Does anyone know if Sendmail can be configured to keep a copy of incoming
mail locally and forward it to the remote?

Dennis L. Lund

-----Original Message-----
From: Shain Miley [mailto:smiley at tvdata.com]
Sent: Friday, January 12, 2001 6:35 AM
To: Will Mc Donald; sunhelp at sunhelp.org
Subject: Re: [SunHELP] Email replication

I am using the University of Washington IMAP daemon.  I agree that there 
must be some software that could deliver a message to both a local 
machine as well as an additional remote one but I have not come across 
one...although I am still looking for a solution.
Thanks
Shain

Will Mc Donald wrote:

> I'm unfamiliar with IMAP but a few google searches turned up a few things
> (it's been a slow day :))
> 
> Specifically which imap daemon are you using? And on which platform?
> 
> What you want to do sounds like something that well thought out software
> should be able to do by default.
> 
> ----- Original Message -----
> From: "Shain Miley" <smiley at tvdata.com>
> To: <sunhelp at sunhelp.org>
> Sent: Thursday, January 11, 2001 9:46 AM
> Subject: Re: [SunHELP] Email replication
> 
> 
>> Will,
>> Well the server is actually IMAP not POP but we are not interested in
>> the SMTP data just the mailboxes.  The suggestion about rdist sounds
>> like the program mirrordir that I am using in other situations, the
>> problem is that the data is only as new as the last time the program
>> ran.  The idea of mail forwarding to two servers is more what I had in
>> mind...does anyone know how I might go about doing this?  Thanks
>> Shain
>> 
>> Will Mc Donald wrote:
>> 
>>> I was wondering if you just wanted to replicate your users POP
>> 
> mailboxes? Or
> 
>>> SMTP data as well. I was under the impression (in my limited
>> 
> understanding)
> 
>>> that SMTP data was sent to its destination pretty much immediately but
>> 
> now
> 
>>> that I think about it that can't always be the case, for mail servers
>> 
> not
> 
>>> permanently connected to the net for instance.
>>> 
>>> Will.
>>> 
>>> ----- Original Message -----
>>> From: "Lund, Dennis" <Dennis.Lund at sciatl.com>
>>> To: <sunhelp at sunhelp.org>
>>> Sent: Thursday, January 11, 2001 5:33 AM
>>> Subject: RE: [SunHELP] Email replication
>>> 
>>> 
>>>> rdist is a good idea.  You can configure it to only update files that
>>>> are newer/different then those already in place.  This reduces the
>>>> amount of stuff being duplicated on the secondary server.
>>>> 
>>>> man rdist
>>>> 
>>>> Dennis L. Lund
>>>> 
>>>> -----Original Message-----
>>>> From: John Lee [mailto:johnlee at sc.mcel.mot.com]
>>>> Sent: Wednesday, January 10, 2001 10:18 PM
>>>> To: sunhelp at sunhelp.org
>>>> Subject: RE: [SunHELP] Email replication
>>>> 
>>>> 
>>>> Hi,
>>>> 
>>>> I have one idea. First, you can make email forwarding to the two
>>> 
> servers,
> 
>>>> secondly, use rdist periodically sync the mail data.
>>>> 
>>>> BR
>>>> John
>>>> 
>>>> -----Original Message-----
>>>> From: sunhelp-admin at sunhelp.org [mailto:sunhelp-admin at sunhelp.org]On
>>>> Behalf Of Shain Miley
>>>> Sent: Wednesday, January 10, 2001 9:51 PM
>>>> To: sunhelp at sunhelp.org
>>>> Subject: [SunHELP] Email replication
>>>> 
>>>> 
>>>> Hi,
>>>> Can anyone suggest a way in which I can get real time email replication
>>>> to a second server?  Currently I have two external drives that hold the
>>>> data and twice daily I use mirrordir to copy the data from the original
>>>> to the backup drive, the problem here is that the backup data is
>>>> anywhere between 0 and 12 hours old.  I could run mirrordir more often
>>>> but what I want to do is have a separate server get a copy of any email
>>>> so in the case of a server failure the other machine can be brought up
>>>> as the original as seamless as possible....any ideas?
>>>> Thanks,
>>>> Shain
>>> 

_______________________________________________
SunHELP maillist  -  SunHELP at sunhelp.org
http://www.sunhelp.org/mailman/listinfo/sunhelp

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<P><FONT SIZE=2>Does anyone know if Sendmail can be configured to keep a copy of incoming</FONT>
<BR><FONT SIZE=2>mail locally and forward it to the remote?</FONT>
</P>

<P><FONT SIZE=2>Dennis L. Lund</FONT>
</P>

<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Shain Miley [<A HREF="mailto:smiley at tvdata.com">mailto:smiley at tvdata.com</A>]</FONT>
<BR><FONT SIZE=2>Sent: Friday, January 12, 2001 6:35 AM</FONT>
<BR><FONT SIZE=2>To: Will Mc Donald; sunhelp at sunhelp.org</FONT>
<BR><FONT SIZE=2>Subject: Re: [SunHELP] Email replication</FONT>
</P>
<BR>

<P><FONT SIZE=2>I am using the University of Washington IMAP daemon.  I agree that there </FONT>
<BR><FONT SIZE=2>must be some software that could deliver a message to both a local </FONT>
<BR><FONT SIZE=2>machine as well as an additional remote one but I have not come across </FONT>
<BR><FONT SIZE=2>one...although I am still looking for a solution.</FONT>
<BR><FONT SIZE=2>Thanks</FONT>
<BR><FONT SIZE=2>Shain</FONT>
</P>

<P><FONT SIZE=2>Will Mc Donald wrote:</FONT>
</P>

> I'm unfamiliar with IMAP but a few google searches turned up a few things
 > (it's been a slow day :))
 > 
 > Specifically which imap daemon are you using? And on which platform?
 > 
 > What you want to do sounds like something that well thought out software
 > should be able to do by default.
 > 
 > ----- Original Message -----
 > From: "Shain Miley" <smiley at tvdata.com>
 > To: <sunhelp at sunhelp.org>
 > Sent: Thursday, January 11, 2001 9:46 AM
 > Subject: Re: [SunHELP] Email replication
 > 
 > 
 >> Will,
 >> Well the server is actually IMAP not POP but we are not interested in
 >> the SMTP data just the mailboxes.  The suggestion about rdist sounds
 >> like the program mirrordir that I am using in other situations, the
 >> problem is that the data is only as new as the last time the program
 >> ran.  The idea of mail forwarding to two servers is more what I had in
 >> mind...does anyone know how I might go about doing this?  Thanks
 >> Shain
 >> 
 >> Will Mc Donald wrote:
 >> 
 >>> I was wondering if you just wanted to replicate your users POP
 >> 
 > mailboxes? Or
 > 
 >>> SMTP data as well. I was under the impression (in my limited
 >> 
 > understanding)
 > 
 >>> that SMTP data was sent to its destination pretty much immediately but
 >> 
 > now
 > 
 >>> that I think about it that can't always be the case, for mail servers
 >> 
 > not
 > 
 >>> permanently connected to the net for instance.
 >>> 
 >>> Will.
 >>> 
 >>> ----- Original Message -----
 >>> From: "Lund, Dennis" <Dennis.Lund at sciatl.com>
 >>> To: <sunhelp at sunhelp.org>
 >>> Sent: Thursday, January 11, 2001 5:33 AM
 >>> Subject: RE: [SunHELP] Email replication
 >>> 
 >>> 
 >>>> rdist is a good idea.  You can configure it to only update files that
 >>>> are newer/different then those already in place.  This reduces the
 >>>> amount of stuff being duplicated on the secondary server.
 >>>> 
 >>>> man rdist
 >>>> 
 >>>> Dennis L. Lund
 >>>> 
 >>>> -----Original Message-----
 >>>> From: John Lee [<A HREF="mailto:johnlee at sc.mcel.mot.com">mailto:johnlee at sc.mcel.mot.com</A>]
 >>>> Sent: Wednesday, January 10, 2001 10:18 PM
 >>>> To: sunhelp at sunhelp.org
 >>>> Subject: RE: [SunHELP] Email replication
 >>>> 
 >>>> 
 >>>> Hi,
 >>>> 
 >>>> I have one idea. First, you can make email forwarding to the two
 >>> 
 > servers,
 > 
 >>>> secondly, use rdist periodically sync the mail data.
 >>>> 
 >>>> BR
 >>>> John
 >>>> 
 >>>> -----Original Message-----
 >>>> From: sunhelp-admin at sunhelp.org [<A HREF="mailto:sunhelp-admin at sunhelp.org">mailto:sunhelp-admin at sunhelp.org</A>]On
 >>>> Behalf Of Shain Miley
 >>>> Sent: Wednesday, January 10, 2001 9:51 PM
 >>>> To: sunhelp at sunhelp.org
 >>>> Subject: [SunHELP] Email replication
 >>>> 
 >>>> 
 >>>> Hi,
 >>>> Can anyone suggest a way in which I can get real time email replication
 >>>> to a second server?  Currently I have two external drives that hold the
 >>>> data and twice daily I use mirrordir to copy the data from the original
 >>>> to the backup drive, the problem here is that the backup data is
 >>>> anywhere between 0 and 12 hours old.  I could run mirrordir more often
 >>>> but what I want to do is have a separate server get a copy of any email
 >>>> so in the case of a server failure the other machine can be brought up
 >>>> as the original as seamless as possible....any ideas?
 >>>> Thanks,
 >>>> Shain
 >>>

<P><FONT SIZE=2>_______________________________________________</FONT>
<BR><FONT SIZE=2>SunHELP maillist  -  SunHELP at sunhelp.org</FONT>
<BR><FONT SIZE=2><A HREF="http://www.sunhelp.org/mailman/listinfo/sunhelp" TARGET="_blank">http://www.sunhelp.org/mailman/listinfo/sunhelp</A></FONT>
</P>
<BR>

- - - - - - -  Appended by Scientific-Atlanta, Inc.  - - - - - - -  
 This e-mail and any attachments may contain information which is confidential, proprietary, privileged or otherwise protected by law. The information is solely intended for the named addressee (or a person responsible for delivering it to the addressee). If you are not the intended recipient of this message, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete it from your computer.

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