Hello

I have a simple question, in fact, I just want to know if the following

scenario works or if I am totaly wrong


I have an email server in a small company, connected to the net via
adsl line. As the company is in the country side, sometimes, internet
link goes down. So all the emails sent to us meanwhile are lost...It
could kill the company quite quickly. As we are not big enough to own
a second server.


i d like to setup a failover with 2 mx records with different
priorities pointing to the main server first and to the server hosting
our website outside ( it has qmail running on fedora)


The result would be:


A mail is sent to us, if the internet link is down or if the mailbox
cannot be reached, the email would go to the second mail server wich
is outside. Then to make sure that no email go there by mistake, I
would configure the pop3 connector to retrieve emails twice a day


Does that make sense? Will it work?


O

schlogo wrote:
> Hello
>
> I have a simple question, in fact, I just want to know if the
> following
>
> scenario works or if I am totaly wrong
>
>
> I have an email server in a small company, connected to the net via
> adsl line. As the company is in the country side, sometimes, internet
> link goes down. So all the emails sent to us meanwhile are lost

Not true, any legitimate mail server delivering legitimate mail will attempt
to deliver the mail at a later time. Depending on the mail server, it will
attempt to deliver the mail for another 4 or 5 days before giving up and
returning an NDR (non delivery receipt), some will return a DDR (Delayed
delivery receipt) to the original sender within a few hours of non-delivery.
But just about all will keep trying for a day or two before returning an
NDR.
But no mail server worth half its stuff will just send the mail into an
eternal black hole unless it suspects it is spam. Some mail server will send
the mail into oblivion only if it is sure it IS spam,


....It
> could kill the company quite quickly. As we are not big enough to own
> a second server.
>
>
> i d like to setup a failover with 2 mx records with different
> priorities pointing to the main server first and to the server hosting
> our website outside ( it has qmail running on fedora)

This would be the best setup, if it is configured to store and forward mail
for your domain, when you mail server comes back online it should deliver
the mail.

>
>
> The result would be:
>
>
> A mail is sent to us, if the internet link is down or if the mailbox
> cannot be reached, the email would go to the second mail server wich
> is outside. Then to make sure that no email go there by mistake, I
> would configure the pop3 connector to retrieve emails twice a day

The problem with POP3 connectors is that each connector usually POPs only
one mailbox, you would need a catchall account on this server and a POP3
connector that will POP the catchall account and make sure it gets delivered
to the correct mailbox. Store and forward is the best option.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This s
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