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Thread: cant send message: connection time out

  1. #1
    cinet is offline New Member
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    Default cant send message: connection time out

    i have been seccefully install zimbra zcs on proxmox under openVZ. Zimbra work 1 month very well, but shit happens..

    Yestarday zimbra stop send mail to some external server. After analyze logs i found:
    Dec 17 18:59:37 zimbra postfix/smtp[29651]: C3F0A12023D: to=<gad****ess@pochta.ru>, relay=none, delay=108131, delays=108071/0.01/60/0, dsn=4.4.1, status=deferred (connect to pochta.ru[62.141.94.20]:25: Connection timed out)

    but mx record for pochta.ru another IP :
    root@zimbra:/var/log# dig mx pochta.ru
    ...
    ;; QUESTION SECTION:
    ;pochta.ru. IN MX

    ;; ANSWER SECTION:
    pochta.ru. 150 IN MX 5 mx.pochta.ru.

    ;; ADDITIONAL SECTION:
    mx.pochta.ru. 150 IN A 62.141.94.154
    ..

    but A record for pochta.ru is 62.141.94.20.

    same situation with gmail and any domain does not match A record and MX
    Dec 17 19:00:07 zimbra postfix/smtp[2116]: connect to gmail.com[74.125.77.18]:25: Connection timed out
    Dec 17 19:00:07 zimbra postfix/smtp[2116]: 41A21C4389: to=<ro******enko@gmail.com>, relay=none, delay=175947, delays=175857/0.01/90/0, dsn=4.4.1, status=deferred (connect to gmail.com[74.125.77.18]:25: Connection timed out)

    root@zimbra:/var/log# dig gmail.com
    ...
    ;; ANSWER SECTION:
    gmail.com. 25 IN A 74.125.77.83
    gmail.com. 25 IN A 74.125.77.18
    gmail.com. 25 IN A 74.125.77.19


    root@zimbra:/var/log# dig mx gmail.com
    ;; ANSWER SECTION:
    gmail.com. 3600 IN MX 10 alt1.gmail-smtp-in.l.google.com.
    gmail.com. 3600 IN MX 20 alt2.gmail-smtp-in.l.google.com.
    gmail.com. 3600 IN MX 40 alt4.gmail-smtp-in.l.google.com.
    gmail.com. 3600 IN MX 5 gmail-smtp-in.l.google.com.
    gmail.com. 3600 IN MX 30 alt3.gmail-smtp-in.l.google.com.



    I tryed to migrate zimbra from openVZ to KVM, but have same problem. Sorry, for my bad english...

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    You apparently have five A records with different IP addresses for your server, that's not good and needs to be fixed:

    Code:
    dig pochta.ru mx
    
    ; <<>> DiG 9.7.1-P2 <<>> pochta.ru mx
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37722
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 5
    
    ;; QUESTION SECTION:
    ;pochta.ru.                     IN      MX
    
    ;; ANSWER SECTION:
    pochta.ru.              150     IN      MX      5 mx.pochta.ru.
    
    ;; ADDITIONAL SECTION:
    mx.pochta.ru.           150     IN      A       62.141.94.151
    mx.pochta.ru.           150     IN      A       62.141.94.153
    mx.pochta.ru.           150     IN      A       62.141.94.155
    mx.pochta.ru.           150     IN      A       62.141.94.154
    mx.pochta.ru.           150     IN      A       62.141.94.152
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    cinet is offline New Member
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    Default

    Quote Originally Posted by phoenix View Post
    You apparently have five A records with different IP addresses for your server, that's not good and needs to be fixed:
    Thanx to answer. But its not fix my problem.

    I will write a letter to admin gmail and microsoft

    gmail.com. 300 IN A 74.125.77.19
    gmail.com. 300 IN A 74.125.77.83
    gmail.com. 300 IN A 74.125.77.18



    microsoft.com. 2576 IN A 207.46.197.32
    microsoft.com. 2576 IN A 207.46.232.182

  4. #4
    cinet is offline New Member
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    Default Solved

    NEVER!!! DONT UNCHECK in zimbraAdmin in global parametrs on tab MTA checkbox "enable DNS" (i have russian locale and i dont know how its name in English).
    I will be grateful if somebody explains to me in what situations can this options is useful

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