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Derek
Guest
Posted: Tue Dec 06, 2005 5:58 pm    Post subject: Outside recipients cannot reply Reply with quote
I have just installed a new SBS2003 and we are using exchange server. We are
still using an outside ISP for incoming email and I have setup the POP3
external connector to recieve all email. That is working fine.
I can send mail out and receive mail in just fine. However, if I send
something to someone outside our organization, they get an undeliverable
message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records to
point to my new server, but I don't want to do that quite yet due to down
times for propogation.

Are there any short-term fixes for this problem? Should I not be worried
about the propagation time and just do the DNS record changes?

Thanks in advance!

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Tom Felts
Guest
Posted: Wed Dec 07, 2005 12:02 am    Post subject: Re: Outside recipients cannot reply Reply with quote
Where are the MX records pointing currently? To the ISP? Can they still
accept mail?

We usually don't flip MX records until a week-end, and we 'pre-stage' the
event by lowering the SOA refresh intervals. But in your case, I would be
tempted to bite the bullet and just do it. Of course there may be
mitigating reasons why you don't want to do that...


"Derek" <Derek@discussions.microsoft.com> wrote in message
news:018F72E6-06AA-46BC-9797-DA4955EC0239@microsoft.com...
Quote:
I have just installed a new SBS2003 and we are using exchange server. We
are
still using an outside ISP for incoming email and I have setup the POP3
external connector to recieve all email. That is working fine.
I can send mail out and receive mail in just fine. However, if I send
something to someone outside our organization, they get an undeliverable
message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records to
point to my new server, but I don't want to do that quite yet due to down
times for propogation.

Are there any short-term fixes for this problem? Should I not be worried
about the propagation time and just do the DNS record changes?

Thanks in advance!
Back to top
Derek
Guest
Posted: Wed Dec 07, 2005 1:04 am    Post subject: Re: Outside recipients cannot reply Reply with quote
The MX records are currently pointing to the ISP and they can still accept
mail.

I want to avoid disruptions in email delivery. This is why I am thinking of
waiting. Do you have any idea what the max/min potential downtime is for
email delivery?

"Tom Felts" wrote:

Quote:
Where are the MX records pointing currently? To the ISP? Can they still
accept mail?

We usually don't flip MX records until a week-end, and we 'pre-stage' the
event by lowering the SOA refresh intervals. But in your case, I would be
tempted to bite the bullet and just do it. Of course there may be
mitigating reasons why you don't want to do that...


"Derek" <Derek@discussions.microsoft.com> wrote in message
news:018F72E6-06AA-46BC-9797-DA4955EC0239@microsoft.com...
I have just installed a new SBS2003 and we are using exchange server. We
are
still using an outside ISP for incoming email and I have setup the POP3
external connector to recieve all email. That is working fine.
I can send mail out and receive mail in just fine. However, if I send
something to someone outside our organization, they get an undeliverable
message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records to
point to my new server, but I don't want to do that quite yet due to down
times for propogation.

Are there any short-term fixes for this problem? Should I not be worried
about the propagation time and just do the DNS record changes?

Thanks in advance!




Back to top
Tom Felts
Guest
Posted: Wed Dec 07, 2005 1:31 am    Post subject: Re: Outside recipients cannot reply Reply with quote
That is a real mixed bag kind of question....my pat answer is 3 days. Check
out your DNS settings are DNSREPORT.com Like i said, I usuall drop the
refresh intervals down to 3 hours or so, and let that bake out before I
change the MX. IT is not foolproof, however, as some MTA's cache DNS on
their own schedules.....


"Derek" <Derek@discussions.microsoft.com> wrote in message
news:56BF3F4A-F1C6-4EC3-ABEB-4C4510720B97@microsoft.com...
Quote:
The MX records are currently pointing to the ISP and they can still accept
mail.

I want to avoid disruptions in email delivery. This is why I am thinking
of
waiting. Do you have any idea what the max/min potential downtime is for
email delivery?

"Tom Felts" wrote:

Where are the MX records pointing currently? To the ISP? Can they still
accept mail?

We usually don't flip MX records until a week-end, and we 'pre-stage' the
event by lowering the SOA refresh intervals. But in your case, I would
be
tempted to bite the bullet and just do it. Of course there may be
mitigating reasons why you don't want to do that...


"Derek" <Derek@discussions.microsoft.com> wrote in message
news:018F72E6-06AA-46BC-9797-DA4955EC0239@microsoft.com...
I have just installed a new SBS2003 and we are using exchange server.
We
are
still using an outside ISP for incoming email and I have setup the POP3
external connector to recieve all email. That is working fine.
I can send mail out and receive mail in just fine. However, if I send
something to someone outside our organization, they get an
undeliverable
message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records to
point to my new server, but I don't want to do that quite yet due to
down
times for propogation.

Are there any short-term fixes for this problem? Should I not be
worried
about the propagation time and just do the DNS record changes?

Thanks in advance!


Back to top
Asher_N
Guest
Posted: Wed Dec 07, 2005 5:58 pm    Post subject: Re: Outside recipients cannot reply Reply with quote
You are looking at 2 differnt things. First, make sure your ISP will let
port 25 traffic n and out of your system. Make sure you have a static
public IP. More and more mail systems will not accept mail from a dynamic
IP.

On the reply problem, make sure that your /external/ domain is set as the
primary e-mail address and that exchange is set to /not/ control that
domain. Most likely your mail is going out as m2@mydomain.local as opposed
to me@mydomain.com.



"=?Utf-8?B?RGVyZWs=?=" <Derek@discussions.microsoft.com> wrote in
news:018F72E6-06AA-46BC-9797-DA4955EC0239@microsoft.com:

Quote:
I have just installed a new SBS2003 and we are using exchange server.
We are still using an outside ISP for incoming email and I have setup
the POP3 external connector to recieve all email. That is working
fine. I can send mail out and receive mail in just fine. However, if
I send something to someone outside our organization, they get an
undeliverable message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records
to point to my new server, but I don't want to do that quite yet due
to down times for propogation.

Are there any short-term fixes for this problem? Should I not be
worried about the propagation time and just do the DNS record changes?

Thanks in advance!
Back to top
shanekeeter
Guest
Posted: Mon Dec 12, 2005 8:42 am    Post subject: Re: Outside recipients cannot reply Reply with quote
okay I'm having the same problems, kinda. I also use pop3 connectors and the
mail is picked up from the ISP without error however it is rejected back to
the originator from the postmater@mydomain.com here the content:
This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

mspop3connector.user@mydomain.com

cant figure out where the mspop3connector.%user% is coming from.

thanks for any help

"Asher_N" wrote:

Quote:
You are looking at 2 differnt things. First, make sure your ISP will let
port 25 traffic n and out of your system. Make sure you have a static
public IP. More and more mail systems will not accept mail from a dynamic
IP.

On the reply problem, make sure that your /external/ domain is set as the
primary e-mail address and that exchange is set to /not/ control that
domain. Most likely your mail is going out as m2@mydomain.local as opposed
to me@mydomain.com.



"=?Utf-8?B?RGVyZWs=?=" <Derek@discussions.microsoft.com> wrote in
news:018F72E6-06AA-46BC-9797-DA4955EC0239@microsoft.com:

I have just installed a new SBS2003 and we are using exchange server.
We are still using an outside ISP for incoming email and I have setup
the POP3 external connector to recieve all email. That is working
fine. I can send mail out and receive mail in just fine. However, if
I send something to someone outside our organization, they get an
undeliverable message when trying to reply.

I know that this problem can be solved by changing my DNS/MX records
to point to my new server, but I don't want to do that quite yet due
to down times for propogation.

Are there any short-term fixes for this problem? Should I not be
worried about the propagation time and just do the DNS record changes?

Thanks in advance!

Back to top
 
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