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Thread: issues with sending attachments

  1. #1
    rwest83 is offline Junior Member
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    Default issues with sending attachments

    Still new to ZCS but so far so good with only one major issue.

    All email goes through fine and very quickly with the exception being anything with an attachment. I've tried changing attachment size and also modifying the postfix config by appending these lines:

    smtp_data_done_timeout = 800s
    smtp_data_init_timeout = 240s
    smtp_data_xfer_timeout = 800s

    They were smaller numbers but I increased them in my attempts to help with this issue. The error message I get when I check logs or look in the deferred queue is:

    conversation with smtp.recipient.net[ip address] timed out while sending message body.

    I have checked dns settings and even setup reverse dns with our isp and I'm still at a loss as to what else it could be. I've also unchecked all the dns settings under the MTA tab except:

    reject_non_fqdn_sender
    reject_unknown_sender_domain

    TIA for any insight or help with this. I've got some very angry end users on my hands.

  2. #2
    rwest83 is offline Junior Member
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    anyone? I've been struggling with this problem for a couple weeks now...

  3. #3
    rwest83 is offline Junior Member
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    Is there any log info I'm missing or anything I can do for this? I've tried contacting sales several times today to purchase some sort of support but nobody is responding. I just need the attachments to go through. The deferred queue is piling up very fast and I need a solution.

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    You should update your forum profile with the output of the following command (do not post the output in this thread):

    Code:
    zmcontrol -v
    Quote Originally Posted by rwest83 View Post
    Is there any log info I'm missing or anything I can do for this? I've tried contacting sales several times today to purchase some sort of support but nobody is responding. I just need the attachments to go through. The deferred queue is piling up very fast and I need a solution.
    It's not easy to give you an answer when there's not much information about you set-up. Single server or multi-server? How many users? Does this happen for all users? Does it happen for all attachments (and what size attachments)? Is there any firewall or SElinux running on this server? How long has this been happening? What are the specs of the server (especially the available RAM for Zimbra)? Is this a VM or real hardware? If it's a VM, which hypervisor? Is it using RAID and if so which RAID level? IS your DNS configured correctly? You can check that by running all the commands in the 'Verify ....' section of the Split DNS article. The answer to all of those questions will be a good starting point.

    BTW, if you're using the OSS version of Zimbra then you can't purchase support directly from Zimbra - it's a Community Supported product.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    rwest83 is offline Junior Member
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    Quote Originally Posted by phoenix View Post
    Single server or multi-server? How many users? Does this happen for all users? Does it happen for all attachments (and what size attachments)? Is there any firewall or SElinux running on this server? How long has this been happening? What are the specs of the server (especially the available RAM for Zimbra)? Is this a VM or real hardware? If it's a VM, which hypervisor? Is it using RAID and if so which RAID level? IS your DNS configured correctly? You can check that by running all the commands in the 'Verify ....' section of the Split DNS article. The answer to all of those questions will be a good starting point.

    BTW, if you're using the OSS version of Zimbra then you can't purchase support directly from Zimbra - it's a Community Supported product.
    single server. 26 users. Yes, all users, all the time. Yes all attachments regardless of size (5kb all the way to the limit I set at 52mb). SElinux is turned off. It's been happening since the server was first created. Specs are 2 cores, 4096mb ram. Yes, its a VM and its running on xen 4.0.1. with the disk being an AoE share. Yes, I ran through that article and have checked all my dns settings.

    Also, yes I found out that I cannot purchase support when using oss version. Good times.

  6. #6
    rwest83 is offline Junior Member
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    So nothing then? I purchased the network edition but I honestly dont see how this issue will be solved by moving to that. I had no idea this would be such a nightmare...

  7. #7
    Cine.ZxCommunity's Avatar
    Cine.ZxCommunity is offline Senior Member
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    Hi!

    I've seen something similar a couple of times, and the reason was a misconfiguration of Outlook Professional on the clients side, so if you use such program double-check all your configurations.

    Else, are you sure that the postfix settings are written in the right place and applied?

    Try
    Code:
    postconf | grep smtp_data_ | less
    and check if your values are correctly applied.

    If you see the new values have not been applied use the command
    Code:
    postconf -e smtp_data_done_timeout=800s smtp_data_init_timeout=240s smtp_data_xfer_timeout=800s
    as the zimbra user to correctly set the values. Mind that this change doesn't survive to a Zimbra Upgrade, so re-apply them after one.

    However, I agree with phoenix that many more informations would be needed to clearly identify the problem.


    Best luck,

    Cine - Community Manager - ZeXtras
    www.zextras.com

  8. #8
    rwest83 is offline Junior Member
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    Thank you for your response. Here are answers to your queries.

    Code:
    postconf | grep smtp_data_ | less
    smtp_data_done_timeout = 800s
    smtp_data_init_timeout = 240s
    smtp_data_xfer_timeout = 1000s

    However, I agree with phoenix that many more informations would be needed to clearly identify the problem.
    Please let me know which information you need and I will gladly get it. I'm in the dark here and have been struggling with this issue for almost a month.

  9. #9
    phoenix is offline Zimbra Consultant & Moderator
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    You posted above that your DNS settings are correct, please post the output of all the commands in the 'Verify...' section of the Split DNS article for confirmation. You should also look in the log files for any errors. You can also tail the log file while you're trying to send an email with an attachment.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  10. #10
    rwest83 is offline Junior Member
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    Obviously I've cleaned this up for privacy's sake, but I do want to point out I'm hosting multiple domains on this one server. "mydomain.com" is just one of the 3 that is on here and "mailsrv1 / smtp.myotherdomain.net" is the hostname of the server that is hosting the domains.
    1.1.1.2 represents the server in question here.
    Also, 1.1.1.1 represents our gateway to the outside world. It currently has no firewall rules set because of my ongoing troubleshooting of this problem. The gateway also forwards dns requests to our isp dns servers.


    -------------------------------------------------------------------------------

    # dig mydomain.com mx

    ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5 <<>> mydomain.com mx
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64202
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 4

    ;; QUESTION SECTION:
    ;mydomain.com. IN MX

    ;; ANSWER SECTION:
    mydomain.com. 3600 IN MX 10 mail.mydomain.com.
    mydomain.com. 3600 IN MX 0 smtp.myotherdomain.net.

    ;; AUTHORITY SECTION:
    mydomain.com. 3600 IN NS ns01.domaincontrol.com.
    mydomain.com. 3600 IN NS ns02.domaincontrol.com.

    ;; ADDITIONAL SECTION:
    mail.mydomain.com. 3600 IN A 1.1.1.2
    ns01.domaincontrol.com. 232 IN A 216.69.185.1
    ns01.domaincontrol.com. 1692 IN AAAA 2607:f208:206::1
    ns02.domaincontrol.com. 3121 IN A 208.109.255.1

    ;; Query time: 157 msec
    ;; SERVER: 1.1.1.1#53(1.1.1.1)
    ;; WHEN: Wed Jul 13 04:17:43 2011
    ;; MSG SIZE rcvd: 225

    -------------------------------------------------------------------------------

    # dig mydomain.com any

    ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5 <<>> mydomain.com any
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14267
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 5

    ;; QUESTION SECTION:
    ;mydomain.com. IN ANY

    ;; ANSWER SECTION:
    mydomain.com. 3240 IN MX 0 smtp.myotherdomain.net.
    mydomain.com. 3240 IN MX 10 mail.mydomain.com.
    mydomain.com. 3240 IN NS ns01.domaincontrol.com.
    mydomain.com. 3240 IN NS ns02.domaincontrol.com.

    ;; AUTHORITY SECTION:
    mydomain.com. 3240 IN NS ns01.domaincontrol.com.
    mydomain.com. 3240 IN NS ns02.domaincontrol.com.

    ;; ADDITIONAL SECTION:
    mail.mydomain.com. 3240 IN A 1.1.1.2
    ns01.domaincontrol.com. 3474 IN A 216.69.185.1
    ns01.domaincontrol.com. 1332 IN AAAA 2607:f208:206::1
    ns02.domaincontrol.com. 2761 IN A 208.109.255.1
    ns02.domaincontrol.com. 3312 IN AAAA 2607:f208:302::1

    ;; Query time: 7 msec
    ;; SERVER: 1.1.1.1#53(1.1.1.1)
    ;; WHEN: Wed Jul 13 04:23:44 2011
    ;; MSG SIZE rcvd: 281

    -------------------------------------------------------------------------------

    # host $(hostname)
    mailsrv1.myotherdomain.net has address 1.1.1.2

    -------------------------------------------------------------------------------

    # cat /etc/resolv.conf
    nameserver 1.1.1.1

    # Do not remove the following line, or various programs
    1.1.1.2 mailsrv1.myotherdomain.net mailsrv1
    127.0.0.1 localhost.localdomain localhost

    -------------------------------------------------------------------------------

    # tail /var/log/zimbra.log

    Jul 13 04:53:22 mailsrv1 postfix/smtp[17940]: 94D976B8162: to=<user@domain2.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.5, delays=0.04/0/0/4.4, dsn=2.0.0, status=sent (250 2.0.0 Ok, id=21425-13, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 0F09D6B8165)
    Jul 13 04:53:22 mailsrv1 postfix/qmgr[12853]: 94D976B8162: removed
    Jul 13 04:53:22 mailsrv1 postfix/smtp[18015]: 0F09D6B8165: to=<user@domain2.com>, relay=ASPMX.L.GOOGLE.com[74.125.65.27]:25, delay=0.64, delays=0.03/0.02/0.11/0.47, dsn=2.0.0, status=sent (250 2.0.0 OK 1310569089 g63si57008791yhn.61)
    Jul 13 04:53:22 mailsrv1 postfix/qmgr[12853]: 0F09D6B8165: removed
    Jul 13 04:53:42 mailsrv1 postfix/smtp[13085]: 2C36F6B8164: conversation with gmail-smtp-in.l.google.com[74.125.159.27] timed out while sending message body
    Jul 13 04:53:43 mailsrv1 postfix/smtpd[17935]: disconnect from mail-gx0-f177.google.com[209.85.161.177]
    Jul 13 04:53:46 mailsrv1 postfix/smtp[13084]: 184876B8163: conversation with ASPMX.L.GOOGLE.com[74.125.65.27] timed out while sending message body
    Jul 13 04:54:05 mailsrv1 zmmailboxdmgr[18385]: status requested
    Jul 13 04:54:05 mailsrv1 zmmailboxdmgr[18385]: status OK
    Jul 13 04:54:21 mailsrv1 postfix/smtp[13083]: B8D3E6B80CC: conversation with domain1.com.s5a1.psmtp.com[64.18.4.10] timed out while sending message body

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