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Running Exchange server at home

rtho782
Dabbler
Posts: 18
Registered: ‎11-09-2014

Running Exchange server at home

Seeing as Google apps is now paid, along with Windows Live custom domains, I've set up an Exchange 2013 server at home.
I've got it working and can receive mail, I've pointed the MX record to my static IP.
I've got outgoing mail working, but my emails seem to be filtered as spam by gmail based accounts.
I think this could be due to rDNS (I have it set to another of my domains at the moment, I have a ticket open to change it over but that could take a while), but it could also be that the IP is registered to Plusnet in the RIPE database or something.
Is there anything other than setting the rDNS that I can do to avoid my mail being classed as spam?
12 REPLIES
Moderator
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Re: Running Exchange server at home

this gives good pointers as to what is causing it http://www.allaboutspam.com/email-server-test/ and http://mxtoolbox.com/SuperTool.aspx can be useful too.

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Community Veteran
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Re: Running Exchange server at home

You could add SPF records to the domain (unless it's hosted with Plusnet, as I don't think they've implemented TXT records yet?), set up DKIM and anything else that's been added over the years to say "Yes this IP address is the legitimate mail server for this domain".
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Community Gaffer
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Re: Running Exchange server at home

I'd personally recommend you don't send email directly from your machine. Even if you take care to configure matching forward/reverse DNS etc. you'll not escape the fact that the IP we assign you will almost certainly be on a number of policy block lists like the one here. This means that you will probably encounter problems when sending messages to MTA's that spam-score or choosing to defer/reject mail from IP's on this list.
A much sounder solution would be to relay/smarthost outbound messages through the Plusnet relay servers.
I've just changed your rDNS.

Bob Pullen
Plusnet Product Team
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rtho782
Dabbler
Posts: 18
Registered: ‎11-09-2014

Re: Running Exchange server at home

Thanks Bob, that makes sense.
Any help configuring the send connector in exchange 2013 to send via your relay? Smiley
It doesn't seem obvious...
Community Veteran
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Re: Running Exchange server at home

Does this help? http://lmgtfy.com/?q=exchange+2013+send+connector+outbound+relay&l=1
jelv (a.k.a Spoon Whittler)
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rtho782
Dabbler
Posts: 18
Registered: ‎11-09-2014

Re: Running Exchange server at home

Thanks for the passive aggressive LMGTFY response Wink
I've not bothered as with rDNS and TXT records, my emails are no longer getting marked as spam Smiley
MJN
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Re: Running Exchange server at home

It is only a matter of time/destination...
As Bob says, your IP will be listed on a number of blacklists and different destinations will attach different significance to such an entry.
Community Veteran
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Re: Running Exchange server at home

If he's changed it to use the Plusnet relay it won't matter if his IP is on the lists.
jelv (a.k.a Spoon Whittler)
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MJN
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Re: Running Exchange server at home

My reading of post #6 was that an outbound relay hasn't been configured on the basis that the rDNS/TXT records had seemingly removed the spam trap triggering.
Community Veteran
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Re: Running Exchange server at home

I read quite the reverse - he's done the relaying which has fixed the problem and so hasn't bothered adding rDNS and TXT
jelv (a.k.a Spoon Whittler)
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MJN
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Re: Running Exchange server at home

An ambiguity only the OP can resolve I think!  Grin
pwatson
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Re: Running Exchange server at home

There's no ambiguity
Quote from: rtho782
I've not bothered as with rDNS and TXT records, my emails are no longer getting marked as spam Smiley

He's setup rDNS and TXT records and he believes outgoing email is not marked as spam.
Alternatively, with a couple of extra words and a comma:
I've not bothered [with configuring a relay] as, with rDNS and TXT records, my emails are no longer getting marked as spam Smiley