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Thread: Problem with "Sender address rejected: not owned by user"

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  1. #1
    Join Date
    May 2011
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    Default [SOLVED] Problem with "Sender address rejected: not owned by user"


    we recently moved to Zimbra, version Release 7.2.0_GA_2669.RHEL5_20120410001958 CentOS5 NETWORK edition.

    Sending emails from the web interface works ok, as well as when using Outlook connector+Outlook. However, when I try using sendEmail.exe (on windows) or sendmail/swaks on Linux in order to get notifications, I get the aforementioned error.

    This is the log output I got from swaks:
    [root@somemachine tmp]# ./swaks --server  --to --from --auth PLAIN --auth-user
    Password: XXXYYYZZZ
    === Trying
    === Connected to
    <-  220 ESMTP Postfix
     -> EHLO
    <-  250-PIPELINING
    <-  250-SIZE 20480000
    <-  250-VRFY
    <-  250-ETRN
    <-  250-STARTTLS
    <-  250-AUTH LOGIN PLAIN
    <-  250-AUTH=LOGIN PLAIN
    <-  250-8BITMIME
    <-  250 DSN
     -> AUTH PLAIN AHRlc3Rfbmlrb2xhQG9tbmlzZW5zLmNvbQBwb2xhM2plMWlwbw==
    <-  235 2.7.0 Authentication successful
     -> MAIL FROM:
    <-  250 2.1.0 Ok
     -> RCPT TO:
    <** 553 5.7.1 : Sender address rejected: not owned by user
     -> QUIT
    <-  221 2.0.0 Bye
    === Connection closed with remote host.
    In our setup, there are no relays. I'm mentioning this, as I searched the web, and only docs mentioning this problem are:
    and the wiki article:
    Outgoing SMTP Authentication - Zimbra :: Wiki
    for which I don't see how to apply in our case.

    Can someone point me in the right direction? Where should I look? What may be the problem here?

    Last edited by knl; 05-22-2012 at 03:00 AM. Reason: Problem solved, note that in the title

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