Hi Gilles,
thanks.
Now the issue is fixed by adding a line like below and re-configure my
client to use port 587 (submission) instead of 25.
listen on eth0 port submission tls-require pki cactus.keda.io auth
For those who are interested:
With Gilles' msg in mind, I went through my config again, then I came to
realize that my email client (or IP) is not considered local and thus SMTPD
refuse to relay.
I tried replacing "auth-optional" with "auth", and that did fix the issue, but
broke incoming email.
Googled again and see other people handles incoming and outgoing emails on
different port. That reminds me to leave port 25 for receiving emails and open
another port to handle outgoing emails.Now my config looks like below:pki
cactus.keda.io certificate "/etc/ssl/private/cactus.keda.io.crt"
pki cactus.keda.io key "/etc/ssl/private/cactus.keda.io.key"
listen on localhost
listen on eth0 tls pki cactus.keda.io auth-optional
listen on eth0 port submission tls-require pki cactus.keda.io auth
table aliases file:/usr/local/etc/mail/aliases
table secrets file:/usr/local/etc/mail/secrets
accept from any for domain keda.io alias <aliases> deliver to maildir
"/var/mail/%{user.username}/"
accept for any relay
Then, re-configure email client to use port 587 for outgoing emails.
Done.
Thanks,Alan
------------------------------------------------------------------From:Gilles
Chehade <[email protected]>Time:2015 Aug 27 (Thu) 14:26To:misc
<[email protected]>Subject:Fwd: Re: OpenSMTPD 5.7.1 portable - received
invalid command RCPT TO ...
---------- Forwarded message ----------
From: Gilles Chehade <[email protected]>
Date: Aug 27, 2015 8:15 AM
Subject: Re: OpenSMTPD 5.7.1 portable - received invalid command RCPT TO ...
To: Alan Cheng <[email protected]>
Cc:
Sorry, short answer cause not on computer:
Look at your IP address in log, then look at ruleset, you should find the
problem easily
On Aug 27, 2015 4:00 AM, Alan Cheng <[email protected]> wrote:
Hello,
My OpenSMTPD is having problems sending out emails. It gets a error message
saying somthing like "received invalid command: "RCPT
TO:<[email protected]>".Turned on debugging but still no clue.
Anyone has any pointers? thanks!
Here is related log:
root@cactus:/usr/local/etc# tail -f /var/log/mail.log
Aug 27 01:51:30 cactus smtpd[12220]: debug: smtp: new client on listener:
0x953f50
Aug 27 01:51:30 cactus smtpd[12220]: smtp-in: session e228d1ddb97126ff:
connection from host 54.209.64.223.static.js.chinamobile [223.64.209.54]
established
Aug 27 01:51:31 cactus dovecot: imap(acheng): Connection closed in=23 out=501
Aug 27 01:51:31 cactus smtpd[12220]: debug: session_start_ssl: switching to SSL
Aug 27 01:51:31 cactus smtpd[12220]: debug: pony: rsae_priv_enc
Aug 27 01:51:31 cactus smtpd[12220]: smtp-in: session e228d1ddb97126ff: TLS
started version=TLSv1/SSLv3 (TLSv1.2), cipher=ECDHE-RSA-AES128-GCM-SHA256,
bits=128
Aug 27 01:51:31 cactus smtpd[12220]: smtp-in: session e228d1ddb97126ff:
received invalid command: "RCPT TO:<[email protected]>"
And here is my smtpd.conf:
pki cactus.keda.io certificate "/etc/ssl/private/cactus.keda.io.crt"
pki cactus.keda.io key "/etc/ssl/private/cactus.keda.io.key"
listen on localhost
listen on eth0 tls pki cactus.keda.io auth-optional
table aliases file:/usr/local/etc/mail/aliases
table secrets file:/usr/local/etc/mail/secrets
accept for local alias <aliases> deliver to maildir
"/var/mail/%{user.username}/"
accept from any for domain keda.io alias <aliases> deliver to maildir
"/var/mail/%{user.username}/"
accept for any relay
OS is Ubuntu 15.04 and OpenSMTPD is compiled from 5.7.1 portable release.
Thanks,Alan
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