Dom
Member
Registered: 13th Sep 03
User status: Offline
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Have just setup an SBS 2008 box on a static line and all is working hunky dory, except AOL SMTP servers are refusing to accept emails form my IP address and they are just getting bounced back (works fine on every other email domain i've tried).
It was originally throwing an AOL '554 RTR:RD' error, which according to their error pages (http://postmaster.aol.com/Postmaster.Errors.php) is a mismatch in the RDNS, but after getting that changed to 'remote.mydomain.com' (email headers showed that as being the hostname) and applying for a FBL (feedback loop; did it for extra measures) it's now throwing a '554 RTR:SC' error - 'a block due to successive dynamic blocks issued against your IP address' 
Have checked spam block lists, specifically Spamhaus PBL which AOL use, and the IP isn't listed and have also received acknowledgements from AOL for the apparent 'unblock' of the IP address and the FBL. But i just appear to be going in circles 
Has anyone got any ideas what could be causing this?
Obvious answer would be to use an SMTP server but i haven't got access to one unfortunately. Although I'm wondering if i can use my cPanel hosting as a relay.
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willay
Moderator
Organiser: South East, National Events
Premium Member
Registered: 10th Nov 02
Location: Roydon, Essex
User status: Offline
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a) keep emailing AOL
b) might have to wait a specific amount of time for the 'unlock' to happen within AOL
?
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John
Member
Registered: 30th Jun 03
User status: Offline
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Lots of places don't like email coming from an IP, causes problems all the time, always better to go through a smart host.
Who is the ISP for the broadband?
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Dom
Member
Registered: 13th Sep 03
User status: Offline
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quote:
Originally posted by willay
a) keep emailing AOL
b) might have to wait a specific amount of time for the 'unlock' to happen within AOL
?
The RDNS was sorted last week and they acknowledged it then. But I think you're right about hammering at them to sort it.
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Dom
Member
Registered: 13th Sep 03
User status: Offline
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quote:
Originally posted by John
Lots of places don't like email coming from an IP, causes problems all the time, always better to go through a smart host.
Who is the ISP for the broadband?
Via BT but don't have access to their business SMTP unfortunately due to being in a small managed building (and they don't have a SMTP either).
[Edited on 20-01-2012 by Dom]
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Dom
Member
Registered: 13th Sep 03
User status: Offline
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If it isn't against T&Cs, does anyone see any issues of using the website's cPanel VPS box (same domain, has its own non-shared IP but obviously differs to the Exchange box) as the SMTP server?
The VPS is setup with Exim and you have to authenticate with a user/pass but having done a few telnet tests everything appears to be ok.
[Edited on 22-01-2012 by Dom]
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John
Member
Registered: 30th Jun 03
User status: Offline
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Do it and keep an eye on it. As long as its not massive volume I can't see anybody noticing.
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