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--- aix:sendmail [2021/05/11 23:34]
manu
+++ aix:sendmail [2022/12/19 23:50] (current)
manu
@@ Line 1: / Line 1: @@
 ===== 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
+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
   https://www.ibm.com/support/knowledgecenter/ssw_aix_72/s_commands/sendmail.dita
+https://www.ibm.com/support/pages/node/6378270?myns=aix&mynp=OCSG11S&mync=E&cm_sp=aix-_-OCSG11S-_-E
 <cli>
-Sendmail was updated in newer AIX versions and it works differently now, it requires sendmail running to send and receive emails
+Sendmail was updated in newer AIX versions and it works differently
+now, it requires sendmail running to send and receive emails
-"AIX® version AIX 7 with 7200-03 and earlier used sendmail.cf configuration file for the sendmail command. Starting with AIX version AIX 7 with 7200-04 two configuration files sendmail.cf and submit.cf are installed. The sendmail command uses the submit.cf configuration file by default. The sendmail.cf file exists for compatibility with earlier versions of the sendmail command. The following information is valid for both sendmail.cf and submit.cf configuration files."
+"AIX® version AIX 7 with 7200-03 and earlier used sendmail.cf
+configuration file for the sendmail command. Starting with AIX
+version AIX 7 with 7200-04 two configuration files sendmail.cf
+and submit.cf are installed. The sendmail command uses the
+submit.cf configuration file by default. The sendmail.cf file
+exists for compatibility with earlier versions of the sendmail
+command. The following
+information is valid for both sendmail.cf and submit.cf
+configuration files."
+</cli>
+<cli>
 You can read more about this here: https://www.ibm.com/docs/en/aix/7.2?topic=files-sendmailcf-submitcf-file
 </cli>
@@ Line 68: / Line 101: @@
   * Listening on port 25/tcp for incoming messages from outside of the machine
   * 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.

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