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Problem delivering mail to mac.com
https://forum.linode.com/viewtopic.php?f=11&t=2884
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Author:  lostcarpark [ Sat Oct 20, 2007 10:10 pm ]
Post subject:  Problem delivering mail to mac.com

I'm having a problem sending mail to mac.com. It is refusing to talk to my IP address.

To try to diagnose, I used the following:

telnet smtp-mx1.mac.com 25

When I run this from my local PC can start a conversation. However, when I run it from my Linode I get the following:

Trying 17.148.20.64...
Connected to smtp-mx1.mac.com.
Escape character is '^]'.
452 try later
Connection closed by foreign host.


Is anyone having a similar problem, and can anyone suggest a solution?

Author:  anderiv [ Sat Oct 20, 2007 11:18 pm ]
Post subject: 

That's odd...if the mac.com smtp server is returning accurate error codes, and I assume it *is*, it looks like a server issue on their side. The 452 return code indicates:
Code:
Requested action not taken: insufficient system storage

How long has this been happening?

Author:  lostcarpark [ Sun Oct 21, 2007 4:54 am ]
Post subject: 

It's been happening for a couple of weeks. I only got around to investigating properly. One of my users would like his email forwarded to his mac.com address and hasn't been receiving any recently. It was forwarding correctly before that.

Everything looks okay at my end, but mac.com seems to be refusing SMTP connections from my Linode.

As I say, when I telnet to it from my local PC I have no problem.

Author:  sweh [ Sun Oct 21, 2007 8:17 am ]
Post subject: 

Are you getting the 452 response immediately when you connect to port 25? Does it take 5 to 10 seconds? I assume you're not typing any commands first.

Where is your linode? (HE or Planet?)

From my HE linode:
Code:
% telnet smtp-mx1.mac.com 25
Trying 17.148.20.64...
Connected to smtp-mx1.mac.com.
Escape character is '^]'.
220 smtp-mx.mac.com ESMTP Service
quit
221 2.0.0 mac.com closing connection
Connection closed by foreign host.

Author:  ryan [ Mon Oct 22, 2007 1:05 pm ]
Post subject: 

[root@li7-51 ~]# telnet smtp-mx1.mac.com 25
Trying 17.148.20.64...
Connected to smtp-mx1.mac.com (17.148.20.64).
Escape character is '^]'.
220 smtp-mx.mac.com ESMTP Service

This is what I get from my linode.

Author:  lostcarpark [ Sun Nov 04, 2007 5:56 am ]
Post subject: 

Thanks for the info, and sorry for taking a while to get back. It seems to only be me that's affected.

I found mention of the 452 error here:

http://www.apple.com/support/dotmac/mail/

Though I wouldn't say the messages are "bouncing back" as such...

I have sent them a support request, so we'll see if that fixes it.

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