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sendmail [2011/11/28 18:32] k2patel [Rebuild aliases] |
sendmail [2020/08/10 02:35] |
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- | ====== Sendmail ====== | ||
- | |||
- | ==== How to create .cf file from .mc ==== | ||
- | It is always best practice to build .cf file from .mc | ||
- | <code bash> | ||
- | m4 sendmail.mc > /etc/sendmail.cf | ||
- | </code> | ||
- | |||
- | ==== Rebuild aliases ==== | ||
- | when you modify /etc/mail/aliases.\\ | ||
- | Possibly you see following message. \\ | ||
- | //**alias database /etc/mail/aliases.db out of date**// \\ | ||
- | |||
- | Simply run following and will fix it. | ||
- | |||
- | <code bash> | ||
- | newaliases | ||
- | </code> | ||
- | OR\\ | ||
- | run 'make' in /etc/mail to update all databases | ||
- | OR\\ | ||
- | <code bash> | ||
- | sendmail -bi | ||
- | </code> | ||
- | |||
- | ==== Error Code 126 ==== | ||
- | Following messages you see in log and mail. | ||
- | * DSN: unknown mailer error 126 | ||
- | * stat=unknown mailer error 126 | ||
- | * runscript.sh: Permission denied | ||
- | * 554 5.3.0 unknown mailer error 126 | ||
- | |||
- | It is because script you call to catch email OR execute when received has permission issue. \\ | ||
- | Simply set permission on that script to "Sendmail Default User" could be 'daemon' or 'mailnull'. \\ | ||
- | the names i have used those are i came across till now. so chances are there you see something diff. \\ | ||
- | |||
- | Whole path need to be executable by that user. | ||
- | |||
- | ==== How to change outbound IP ==== | ||
- | to change outgoing IP on your sendmail server.\\ | ||
- | change following variable. | ||
- | |||
- | <code bash | sendmail.cf> | ||
- | O ClientPortOptions=Family=inet, Address=192.168.1.22 | ||
- | </code> | ||
- | |||
- | NOTE : change 192.168.1.22 with your IP. | ||