06-25-2009
First of all you need a real dns name ( not a localhost ), because google com not provide a mail service delivery for localhost or some else domain without normally name, such as mymailserver.com, mail.myserver.com with MX DNS record.
Next, you need check your ip in consist of spammer black list (PBL, XBL). This can check on spamhaus resource.
And the last, You need reconfigure your server for sending and delivery mail.
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LEARN ABOUT DEBIAN
mail::milter::module::maildomaindotmx
Mail::Milter::Module::MailDomainDotMX(3pm) User Contributed Perl Documentation Mail::Milter::Module::MailDomainDotMX(3pm)
NAME
Mail::Milter::Module::MailDomainDotMX - milter to reject mail whose sender domain publishes a null MX record
SYNOPSIS
use Mail::Milter::Module::MailDomainDotMX;
my $milter = new Mail::Milter::Module::MailDomainDotMX;
my $milter2 = &MailDomainDotMX; # convenience
$milter2->set_message('Mail from %M domain invalid (has dot-MX record)');
DESCRIPTION
This milter module rejects any mail from a sender's domain (in the MAIL FROM part of the SMTP transaction, not in the From: header) if that
domain publishes a "null", or "dot" MX record. Such a record looks like the following in DNS:
example.com. IN MX 0 .
This lookup requires the Net::DNS module to be installed in order to fetch the MX record.
An extra check as to whether the MX is valid is not (yet) done here. It is currently assumed that the MTA does rudimentary checking for
the presence of a valid MX or A record on the sending domain.
METHODS
new()
Creates a MailDomainDotMX object. There are no arguments to configure this module, as it is a fixed check.
ignore_tempfail(FLAG)
If FLAG is 0 (the default), a DNS lookup which fails the underlying DNS query will cause the milter to return a temporary failure
result (SMFIS_TEMPFAIL).
If FLAG is 1, a temporary DNS failure will be treated as if the lookup resulted in an empty record set (SMFIS_CONTINUE).
This method returns a reference to the object itself, allowing this method call to be chained.
set_message(MESSAGE)
Sets the message used when rejecting messages. This string may contain the substring %M, which will be replaced by the matching e-mail
address.
This method returns a reference to the object itself, allowing this method call to be chained.
AUTHOR
Todd Vierling, <tv@duh.org> <tv@pobox.com>
SEE ALSO
Mail::Milter::Object
perl v5.8.8 2004-02-26 Mail::Milter::Module::MailDomainDotMX(3pm)