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I'm kinda a noob as a server admin so please bear with me. I've installed postfix mail server and everything is working fine but the 'from' box is displaying name@IPaddress.com. I want to set it up so it displays domainname.com instead of IP. I just hope you know what I mean. My main.cf in postfix folder looks like this:

    # See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = mail.thevinylfactory
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = mail.thevinylfactory.com, thevinylfactory, localhost.localdomain, localhost
relayhost = 
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all

Can anyone help me with this one? If you need any more details please let me know. Thanks in advance!

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1 Answer 1

up vote 3 down vote accepted
  1. Set your hostname correctly Read more here http://www.randombugs.com/linux/change-hostname-domainname-linux-system.html about changing domainname/hostname

  2. Look what you have in /etc/mailname and modify accordingly

  3. Don't forget about /etc/hosts & reverse DNS.

After everything is in place, restart postfix.

Regards

share|improve this answer
    
Thanks mate! Just edited mailname and it works like charm now. –  Pavel Mar 17 '11 at 16:59
    
I'm Glad to hear that :) –  Sacx Mar 17 '11 at 21:58

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