sendmail on FreeBSD


 
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Operating Systems BSD sendmail on FreeBSD
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Old 01-24-2006
sendmail on FreeBSD

Dear all,

I have been using freebsd 5.4 for 2 months using fetchmail to retrieve mails and using sendmail to send mails.
I have no problem with fetchmail to retrieve mails from pop3 server.
And most of the time I have no problem with sendmail.
But recently I found that I could not send mails to freebsd-stable@freebsd.org.
Actually sendmail is a mail server (not a client), which sends mails directly from my host to other mail servers without relaying and SMTP is a server-to-server protocol, which requires reverse DNS to gain full functionality.
Correct me, if I'm wrong.
I found that rDNS was not supported to the given IP address and PTR record was not found (I don't know so much about them).
So my sendmail can not work with some destination servers.
How to config rDNS? Shall I call ISP?
Does relay help me solve this problem? And how to config it?

More info: I'm on dual stack; dynamic IPv4 and static IPv6 (6bone).
Somebody who experienced this problem please point me out.

Thanks in advance,
Jaguar
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mlmmj-send(1)						      General Commands Manual						     mlmmj-send(1)

NAME
mlmmj-send - send mail to a mailinglist or similar SYNOPSIS
mlmmj-send [-L /path/to/list | -l listctrl] -m /path/to/mail [-a] [-D] [-F] [-h] [-r] [-R] [-s] [-T] [-V] -a: Don't archive the mail -D: Don't delete the mail after it's sent -F: What to use as MAIL FROM: -h: This help -l: List control variable. -L: Full path to list directory -m: Full path to mail file -r: Relayhost IP address (defaults to 127.0.0.1) -R: What to use as Reply-To: header -s: Subscribers file name -T: What to use as RCPT TO: -V: Print version DESCRIPTION
This binary is used to send all kinds of mail to mlmmj managed mailinglists, but can potentially be used standalone for sending mails. The only option that is not self explanatory is the -l list control option: '1' means 'send a single mail' This is used together with -F and -T to send one mail to one recipient. '2' means 'mail to moderators' Used for sending mails to the moderators of a list. '3' means 'resend failed list mail' '4' means 'send to file with recipients' '5' means 'bounceprobe' '6' means 'single listmail to single recipient' BUGS
This manual page is very scarce documentation of the mlmmj-send binary. The reason for this is that it's really not supposed to be used by any human, but only supposed to be invoked from other mlmmj binaries. So in case more documentation is needed, please read the source. AUTHORS
This manual page was written by the following persons: Soren Boll Overgaard <boll@debian.org> (based on html2man output) Mads Martin Jorgensen <mmj@mmj.dk> mlmmj-send September 2004 mlmmj-send(1)