How do I configure sendmail?

How do I configure sendmail?

So, the steps I recommend for configuring sendmail are as follows:

  1. Edit the /etc/sendmail.mc file. Most of what you need to do to configure sendmail can be done by editing this file.
  2. Generate the sendmail.cf file from the edited sendmail.mc file.
  3. Review your sendmail.cf configuration.
  4. Restart the sendmail server.

How do I change the sendmail port?

To configure sendmail daemon to listen on a different port(say 25000) than port 25, follow these steps.

  1. Edit DaemonPortOptions line in /etc/mail/sendmail.cf:
  2. Or edit /etc/services and change the smtp lines:
  3. Stop and restart sendmail for the changes to take effect.
  4. Verify the port that sendmail daemon is listening on:

How do I check mail in AIX?

AIX for System Administrators

  1. starting sendmail. lssrc -s sendmail <–checking if it is runnig.
  2. set mail relay server. vi /etc/mail/sendmail.cf.
  3. refresh sendmail. refresh -s sendmail <–refresh sendmail to activate new settings.
  4. testing sendmail.

How do I stop sendmail daemon in AIX?

To stop the sendmail daemon, run the stopsrc -s sendmail command. If the sendmail daemon was not started with the startsrc command: Find the sendmail process ID. Enter the kill sendmail_pid command (where sendmail_pid is the process ID of the sendmail process).

Is sendmail a mail server?

Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet. …

Which port does sendmail use?

Resolution. Since the local sendmail is listening to port 25 and the ISP mail server needs port 587 for authentication.

Is port 25 blocked by my ISP?

Contact your ISP to confirm they are blocking port 25. You’ll likely need to change the SMTP port (as in step 1 above) to get around this. If your ISP says they are not blocking port 25 or 587 and you are still having problems sending mail, check your local router or cable modem to see if port 25 is blocked there.

How do I check my Sendmail Queue in AIX?

To check what is currently sitting in the sendmail mail queue use the sendmail -bp command or its alias mailq.

How do I enable mailx in AIX?

configure Sendmail in AIX to send email notification

  1. You must know your mail server name.
  2. Add the IP address and hostname of mail server in /etc/hosts file.
  3. In the configuration file /etc/sendmail.cf, the line with DS must be modified and you must specified your mail server.

How do I stop sendmail?

To Disable the sendmail Daemon

  1. Change to the /etc/init. d directory. cd /etc/init.d.
  2. Stop the sendmail daemon if it is running. ./sendmail stop.
  3. Modify /etc/default/sendmail by adding MODE=””. If the sendmail file does not exist, create the file and then add MODE=””.

How do I start a daemon in AIX?

For example:

  1. To start all the daemons (not including the keyserv daemon), enter: startsrc -g yp.
  2. To stop all the daemons, enter: stopsrc -g yp.
  3. To start a single daemon, enter: startsrc -s daemon_name.
  4. To stop a single daemon, enter: stopsrc -s daemon_name.

Which is better Postfix or sendmail?

In comparison to other MTAs, Postfix emphasizes security. Postfix is much more secure than Sendmail, which has weak security architecture. Postfix is designed to overcome the vulnerabilities that are associated with Sendmail. Moreover, a good Postfix configuration secures sensitive data from spam, abuse, and leakage.

How to set up a mail server in Aix?

2) Add the IP address and hostname of mail server in /etc/hosts file 3)In the configuration file /etc/sendmail.cf, the line with DS must be modified and you must specified your mail server # Note: This option is not supported in AIX.

How to configure sendmail.cf in Aix?

Please set the smarthost or relay host to the appropriate value, with the following commands: save and restart sendmail. This may help you. These are just notes that I have. If it is not running or needs to restart, use the following command to restart it.

How to send mail from IBM server via SMTP?

I need to send mail from IBM Server via SMTP server to host xxx using mailx command. But it is observed that the mails are getting queued in IBM server. Please tell me what configuration I should do in sendmail.cf file.

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