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Thread: Email sometimes goes first time, other times it doesn't

  1. #11
    RevDarkman's Avatar
    RevDarkman is offline Senior Member
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    What I don't get with this error, bearing in mind I was an avid postfix user previously, is that when these SOAP errors appear, they are not getting the error from postfix, as if there is a step in-between the web client submitting the message, and arriving at postfix.

  2. #12
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    Code:
    ExceptionId:btpool0-155://smtp.anheddau.co.uk/service/soap/SendMsgRequest:1277736797016:6c3936f487950506
    Code:mail.SEND_ABORTED_ADDRESS_FAILURE Arg:(invalid, STR, "Ifan Jones <ifan@solet.co.uk>")
    Here's the first bit of a failed sending

    That bit that says invalid, STR... is it correctly formatted?

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    Just a little further...

    Installed Zimbra Desktop and the same issue is there, however it is much more regular in the Desktop than in the web client.

    Outlook/Thunderbird seem to be ok, unless of course it just keeps trying in the background and no one notices..

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    phoenix is online now Zimbra Consultant & Moderator
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    What is in your mynetwork setting? Review this article: Outgoing Mail Problems - Zimbra :: Wiki
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Code:
    [root@smtp ~]# su - zimbra
    [zimbra@smtp ~]$ zmprov gs `zmhostname` | grep zimbraMtaMyNetworks
    zimbraMtaMyNetworks: 127.0.0.0/8 192.168.14.0/24 
    [zimbra@smtp ~]$ postconf -d mynetworks           
    mynetworks = 127.0.0.0/8 192.168.14.0/24

    looks good.....

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    still having issues...

    I have rebuilt the Endian Firewall from scratch on the previous and current versions and still have the problems....

    I have also been monitoring, when we get the error and I'm viewing the console with 'top' java gets to about 15% CPU usage, very time you click send...

    then when the message finally goes zmtaconfig gets to the top of ;top but only very quickly...

  7. #17
    phoenix is online now Zimbra Consultant & Moderator
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    OK, a few more questions I'm afraid. Is the firewall and SElinux disabled on your Zimbra server? Does the EFW have any A/V scanning, proxy or anything else that inspects traffic enabled? Do you also have the outbound firewall active? Is EFW just doing straight NAT?

    In your first post you have this in the error:

    Code:
    550 5.7.1 Unable to relay for paul.roberts@anheddau.co.uk
    Is that one of the intermittent problems and was that user sending the mail via the Web UI on your LAN or from an external IP connection.

    I notice that there's also an email address in there for this domain: solet.co.uk - when I try to connect to their mail server I get a 'connection refused' and a 'connection timeout'. Does this problem happen when trying to send to specific email addresses or is it also random?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    RevDarkman's Avatar
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    Quote Originally Posted by phoenix View Post
    OK, a few more questions I'm afraid. Is the firewall and SElinux disabled on your Zimbra server? Does the EFW have any A/V scanning, proxy or anything else that inspects traffic enabled? Do you also have the outbound firewall active? Is EFW just doing straight NAT?
    No firewall running on the zimbra server at all.

    The EFW box scans SMTP traffic in and out and always has done

    EFW configured with two interfaces RED and GREEN externally the MX record points to the red interface on EFW, efw scans and then passes to the known domain anheddau.co.uk to the internal IP address of Zimbra. It's been like that from the start.

    Quote Originally Posted by phoenix View Post
    In your first post you have this in the error:

    Code:
    550 5.7.1 Unable to relay for paul.roberts@anheddau.co.uk
    Is that one of the intermittent problems and was that user sending the mail via the Web UI on your LAN or from an external IP connection.

    I notice that there's also an email address in there for this domain: solet.co.uk - when I try to connect to their mail server I get a 'connection refused' and a 'connection timeout'. Does this problem happen when trying to send to specific email addresses or is it also random?
    It's quite random which address it can't deliver to, internally or externally - affects everyone sending to anyone randomly, and that's also from internal and external access.

    Don't worry about the solet.co.uk - it's jaut a mailforward to my yahoo account - was just using it to test - amongst many, many others!

  9. #19
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    Just another one - it also does this when sharing a resource with a user, sometimes goes first time, sometimes doesn't.

  10. #20
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    OK I'm back from some leave in France (very nice it was too!) and also back to this problem.

    I'm now suspecting BIND on the Zimbra box. Should BIND be able to resolve any DNS query?

    The BIND here can only resolve my domain name...

    Code:
    [root@smtp ~]# nslookup anheddau.co.uk
    Server:		192.168.14.11
    Address:	192.168.14.11#53
    
    Non-authoritative answer:
    Name:	anheddau.co.uk
    Address: 213.210.8.60
    
    [root@smtp ~]# nslookup google.co.uk
    ;; connection timed out; no servers could be reached
    
    [root@smtp ~]# nslookup bbc.co.uk
    ;; connection timed out; no servers could be reached
    
    [root@smtp ~]#
    Same thing applies when looking for MX records

    Code:
    [root@smtp ~]# nslookup
    > set type=mx
    > anheddau.co.uk
    Server:		192.168.14.11
    Address:	192.168.14.11#53
    
    Non-authoritative answer:
    anheddau.co.uk	mail exchanger = 10 smtp.anheddau.co.uk.
    
    Authoritative answers can be found from:
    anheddau.co.uk	nameserver = ns1.wiss.co.uk.
    anheddau.co.uk	nameserver = ns0.wiss.co.uk.
    smtp.anheddau.co.uk	internet address = 192.168.14.11
    ns0.wiss.co.uk	internet address = 213.210.8.50
    ns1.wiss.co.uk	internet address = 217.33.230.74
    > bbc.co.uk
    ;; connection timed out; no servers could be reached
    > google.co.uk
    ;; connection timed out; no servers could be reached
    >
    Is this usual behaviour?

    I did initially think the firewall was blocking port 53 but this test proves it's not....

    Code:
    [root@smtp ~]# telnet 8.8.8.8 53
    Trying 8.8.8.8...
    Connected to 8.8.8.8 (8.8.8.8).
    Escape character is '^]'.
    ^]
    telnet> Connection closed.
    [root@smtp ~]
    The 8.8.8.8 is one of Google's public DNS servers

    Doing all this on my firewall results in all names resolved.

    Is this the correct behaviour for Split DNS?

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