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https://wiki.zimbra.com/wiki/Mgolfieri-_Admin_notification_emails
Mgolfieri- Admin notification emails - This article is a Community contribution and may include unsupported customizations. ... To workaround this and have the domain name as the real sender domain for the zimbra user (not just the From: field) and make the 3rd party SMTP relay happy, ...
https://forums.zimbra.org/viewtopic.php?t=67971
Mar 24, 2020 · I am new to managing a solution like Zimbra and cannot determine if these are real or spam. The logs below are from that 1 minute timeframe. I can see that I'm getting emails from @us-west-2.amazonses.com which is suspect at first, as nothing should be emailing the admin from there.
https://www.howtoforge.com/community/threads/postfix-send-sender-non-delivery-notification-for-not-existing-domain-alias-account.70707/
Aug 05, 2015 · Postfix regonize not existing mailbox and create "sender non-delivery notification" for an not existing source address; I know, why it is happen. Postfix don't know in case of domain alias at first step, if the mailbox exist. Is this a configuration problem I …
https://talk.plesk.com/threads/configure-postfix-bounce-notification-recipient.341062/
Nov 23, 2019 · Hello, I am trying to to configure the postfix bounce notification email, so that I am notified whenever Postfix is unable to deliver a message. Here's what I'm seeing in the mail log when one of my virtual hosts (testdomain.com) tries to send an email to a non-existent gmail account: Jan 11...
https://wiki.zimbra.com/wiki/Rejecting_false_%22mail_from%22_addresses
Note: To increase the Security, please combine this Article with the next one about Enforcing a match between FROM address and sasl username, for Zimbra Collaboration 8.5 and above. By default any connection made to ZCS postfix and declares "mail from: local sender" (even if it is not) - the connection/email is accepted for local delivery.
https://serverfault.com/questions/912297/postfix-dsn-5-0-0-domain-com-status-bounced
Since we wanted to test ZIMBRA, we dug up an old domain (@123.de) which was used some time ago. To make sure that ALL e-mails with the @123.de domain dont get lost, i created a mail address where all the @123.de mails would be collected. So I connected to the ZIMBRA host via telnet to test if I can send emails - without success.
https://www.linuxquestions.org/questions/linux-server-73/postfix-as-a-mail-delivery-server-fails-status-bounced-loops-back-to-myself-891946/
Jul 18, 2011 · Postfix as a mail delivery server fails (status bounced loops back to myself) From studying the Postfix documentation it appears that the feature for this is virtual_alias_domains and virtual_alias_maps.
https://bugzilla.zimbra.com/buglist.cgi?component=Mail%20-%20MTA%2FSpam%2FVirus&product=ZCS&resolution=---
Zimbra configuration for external antispam specific domain. 2017-01-20 107578: ZCS ... non-delivery notification will be sent to sender when an aliases is configured as a forward address. ... Virus notification to external sender of message revealing archiving addresses : 2014-09-02 49649: ZCS
https://www.turnkeylinux.org/forum/support/20100117/how-access-zimbra-admin-web
Hi, I have downloaded and installed Turnkey Zimbra .ISO image and also installed it on the PC now i am trying to access zimbra PC from the other PC connected to the same network, as zimbra shows it's ip address i.e. 192.168.0.1 & port no. i.e. 7071 to access Zimbra admin from the other PC through web brower, still i am not able to access the PC while i am able to access Webmin
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