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How to use --> UCS Variable (mailForwardCopyToSelf)
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1
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37
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May 16, 2021
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Sending mail on behalf other domain
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3
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56
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March 25, 2021
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[Problem] Sending Mails to groups with other nested groups does not work
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2
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182
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March 22, 2021
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No undelivered mail return to sender
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4
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53
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February 20, 2021
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Problem: Emails to a new email domain are always sent to the postmaster
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2
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74
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January 31, 2021
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Migration of LDAP attribute mailForwardCopyToSelf
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2
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200
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January 11, 2021
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Konfiguration: Systembenachrichtigungen per E-Mail
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3
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103
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November 19, 2020
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Sender dependent relayhostmap korrekt nachbessern
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1
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84
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November 16, 2020
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Dovecot sieve vacation: Client host rejected: Access denied (in reply to RCPT TO command))
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1
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156
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October 25, 2020
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Howto: Set Sender's Email Adress for Self-Service
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1
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301
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December 30, 2019
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Mail to external users and same mail domain
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4
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237
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August 6, 2020
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Bestimmte User sollen nur interne Mails senden dürfen
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5
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303
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July 28, 2020
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Problem: Postfix Error 4.4.1 - message deferred
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1
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1754
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June 24, 2019
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Problem: Postfix tries to use TLS when sending and fails
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1
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338
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June 26, 2020
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Problems with Kopano/Postfix/Spam/Antivir
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7
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285
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June 19, 2020
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Mail relay geht nicht
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2
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358
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May 4, 2020
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HowTo: adjust the time until warnings or errors for temporarily undeliverable messages are sent
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2
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168
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April 22, 2020
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Q&A: Can I use another sender address for systemmails?
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1
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222
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April 9, 2020
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How to prevent mail delivery for disabled user
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1
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139
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April 8, 2020
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Problem: /etc/postfix/tls_policy Database Is Not Written Automatically
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2
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143
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March 18, 2020
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Hardening Postfix: Restrict Mail Transport
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1
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1573
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May 18, 2017
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Fixed // Postfix: connect to 127.0.0.1[127.0.0.1]:10024: Connection refused
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44
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1354
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February 2, 2020
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Fehlermeldung in Mail Log-Dateien (Postfix/Kopano)
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3
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434
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January 3, 2020
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2 mailservers at 2 vpn-locations can't deliver mail to each other
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2
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202
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December 6, 2019
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Mailversand immer extern
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6
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427
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November 8, 2019
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Configurations Templating Review
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5
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297
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September 14, 2019
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UCS/Antispam/Kopano/Postfix SPAM Meldung
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2
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748
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June 28, 2019
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Problem mit Greylisting in aktueller Univention Version
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2
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235
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May 29, 2019
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Mails nicht verwerfen, wenn nicht zustellbar
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30
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1531
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May 10, 2019
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Postfix - Timeout transfering email with attachment
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3
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386
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February 23, 2019
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