Postfix as a mail relay (getting relay access denied)
I want to send email from my mobile phone using my linux servers postfix MTA to relay messages that I send to my linux box. I am using sasl and authdaemon for imap security.
Right now I can connect to the imap and download my messages and I can send messages to local users on the system. BUT I can't send a message from my phone (or any other imap client that is configured to use my linux box as the smtp server) through my MTA, and out to the internet. I get the message:
554 <email@example.com>: Relay access denied.
I've read how to make it so that certain hosts can be allowed to relay but can't I have it so that when my user can relay mail for that user to anywhere?
Here is my postconf -n:
alias_database = $alias_maps
alias_maps = hash:/etc/postfix/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/lib/postfix
debug_peer_level = 2
home_mailbox = Maildir/
html_directory = no
mail_owner = postfix
mailbox_command = /usr/bin/procmail -a "$DOMAIN"
mailq_path = /usr/bin/mailq
manpage_directory = /usr/man
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mydomain = mrcel.hypexr.org
myhostname = mrcel.hypexr.org
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = no
relayhost = [smtp.sbcglobal.yahoo.com]
sample_directory = /etc/postfix/sample
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
unknown_local_recipient_reject_code = 550
virtual_alias_maps = hash:/etc/postfix/virtual
To make relay auth, you also need the package cyrus-sasl-plain.
Tomorrow I go glue mine "main.cf", I passed for this problem exactly, and delayed to arrange.
Since a user has to be authenticated to send mail through the server I was thinking that I could make all ip addresses trusted. I want to set mynetworks to something that would do this.
Neither class, subnet, or host will make everything trusted so I was trying to specify a specific ip address and then make the netmask mask the whole thing, but I didn't have any luck with this. I still got the message "relay access denied"
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