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Install Postfix
Dave Lawrence edited this page Jul 28, 2021
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sudo apt-get install postfix
A prompt will appear. Select Internet and enter your fully qualified domain name (eg variantgrid.com)
Edit /etc/postfix/main.cf
Change the "myhostname" to be the full address (from the local VM hostname)
myhostname = variantgrid.com
Add the line:
virtual_alias_maps = hash:/etc/postfix/virtual
Check the following 2 lines are there:
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
alias_maps = hash:/etc/aliases
The 1st stops spammers and we need alias_maps to make a no-reply address.
After modifying main.cf, be sure to run service postfix reload
Run the following (be sure to adjust for your domain) to make a no-reply address
echo "devnull: /dev/null" >> /etc/aliases
echo "[email protected] devnull" >> /etc/postfix/virtual
To then test sending
echo "This is the body" | mail -s "This is the subject" [email protected]
and check your spam folder.
To check errors:
tail /var/log/mail.err
Missing DB:
error: open database /etc/postfix/virtual.db: No such file or directory
Can be fixed via:
postmap /etc/postfix/virtual
service postfix restart