aix:sendmail
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aix:sendmail [2021/07/02 23:58] manu [Sendmail on AIX] |
aix:sendmail [2022/12/19 23:50] (current) manu |
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| ===== Sendmail on AIX ===== | ===== Sendmail on AIX ===== | ||
| + | |||
| + | https://www.ibm.com/support/pages/configuring-masquerading-aix-sendmail-using-generics-table | ||
| + | |||
| + | https://www.ibm.com/support/pages/how-disable-recipient-domain-lookup-sendmail | ||
| + | |||
| + | |||
| + | 2 ways to deploy sendmail: | ||
| + | * using **submit.cf** file, for AIX 7.2TL4 and later | ||
| + | * using **sendmail.cf** | ||
| + | |||
| + | ===== submit.cf ===== | ||
| + | |||
| + | A workaround to prevent using submit file, is to crate a symbolic link between **/etc/mail/sendmail.cf** and **/etc/mail/submit.cf** (check section [[aix:sendmail#sendmail_configuration|sendmail.cf]]) | ||
| + | |||
| + | https://www.ibm.com/support/pages/how-run-two-sendmails-one-mtamail-transfer-agent-and-another-msamail-submission-agent | ||
| + | |||
| + | How to run two sendmails, one for MTA(Mail Transfer Agent) and another for MSA(Mail Submission Agent). | ||
| + | |||
| + | |||
| + | ===== sendmail.cf ===== | ||
| + | | ||
| For more secure sendmail in AIX 7.2 TL4 | For more secure sendmail in AIX 7.2 TL4 | ||
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| * Listening on port 25/tcp for incoming messages from outside of the machine | * Listening on port 25/tcp for incoming messages from outside of the machine | ||
| * Flushing the local queue of unsent messages on a periodic basis | * Flushing the local queue of unsent messages on a periodic basis | ||
| + | |||
| + | ===== aliases ===== | ||
| + | |||
| + | alias configuration for sendmail in MSP mode (applicable only beyond AIX version 7200-04-02). | ||
| + | |||
| + | To configure the aliasing in sendmail, which runs in mail submission program mode (MSP). | ||
| + | Mail aliasing in sendmail, which is being run in mail submission program mode. | ||
| + | |||
| + | Steps | ||
| + | |||
| + | To configure the alias while sending a mail with sendmail in Mail Submission Program mode. Mailer flag in /etc/mail/submit.cf file should be modified to add alias flag "A" as part of F attribute. | ||
| + | |||
| + | Sample change to mailer flag in "/etc/mail/submit.cf" : | ||
| + | |||
| + | Mlocal, F=lmDFMuXkw5 | ||
| + | to | ||
| + | Mlocal, F=lmDFMAuXkw5 | ||
| + | |||
| + | Alias flag "A" is added to mailer as part of F attribute as shown above. | ||
| + | |||
| + | When adding a new alias into /etc/mail/aliases | ||
| + | |||
| + | Ex: | ||
| + | TEST: user@machine | ||
| + | testalias: TEST | ||
| + | | ||
| + | The /etc/mail/aliases file is a raw data file. The sendmail command uses a database version of this file. You must build a new alias database by running the sendmail -bi command or the newaliases command before any changes made to the /etc/mail/aliases file become effective. | ||
| + | |||
aix/sendmail.1625263127.txt.gz · Last modified: 2021/07/02 23:58 by manu
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