Installing Sendmail 8.14.5

Post by **cah** » Mon Feb 20, 2012 4:04 pm

1. Download the latest stable version:

wget ftp://ftp.sendmail.org/pub/sendmail/sendmail.8.14.5.tar.gz

2. Unzip & untar it to the working directory

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cd /work/system_apps
gzcat sendmail.8.14.5.tar.gz | tar xf -

3. Chang to the directory

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cd /work/system_apps/sendmail-8.14.5/
sh Build

4. Archive /etc/mail/cf directory

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mv /etc/mail/cf /etc/mail/cf.8.14.4

5. Create and modify sendmail.cf

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cp -rp /work/system_apps/sendmail-8.14.5/cf/ /etc/mail/

5.1. Make sure /etc/mail/cf/m4/cf.m4 has "/etc/mail/cf" in there.

From:

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`define(`_CF_DIR_', `../')',

To:

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`define(`_CF_DIR_', `/etc/mail/cf/')',

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m4 /etc/mail/sendmail.mc.8.14 > /etc/mail/sendmail.cf.8.14.5

5.2. Compare the new sendmail.cf with the existing sendmail.cf and modify the new sendmail.cf accordingly (use diff to do the comparison).

NOTICE: it is now "dbm" instead of the old "hash".

5.3. Replace existing sendmail.cf with this new sendmail.cf.8.14.5.

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cp -p sendmail.cf.8.14.5 sendmail.cf

6. Copy submit.cf to /etc/mail

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mv submit.cf submit.cf.8.14.4
cp /work/system_apps/sendmail-8.14.5/cf/cf/submit.cf /etc/mail

Uncomment "MeToo" in submit.cf

7. Backup existing binary

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cd /usr/lib
mv sendmail sendmail.8.14.4

8. Backup /etc/mail/statistics if the historic mailstats data wants to be kept.
otherwise, a new statistics file with 0 byte will replace the old one.

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mv /etc/mail/statistics /etc/mail/statistics_ori

9. Install the new binary

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cd /work/system_apps/sendmail-8.14.5
make install

10. Move statistics file back

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mv /etc/mail/statistics_ori /etc/mail/statistics

11. Restart sendmail

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/etc/init.d/sendmail stop
/etc/init.d/sendmail start

Start testing sending and receiving email to validate the new mail server.