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From: Joe Harvell (jharvell+lists.postfix.usersdogpad.net)
Date: Tue Jul 31 2007 - 17:38:21 CDT
Never mind. Somehow I hadn't saved an editor buffer or something. I
noticed a postfix log stating that saslpass.db was older than its
source. I updated it and it now works. Thanks for your help.
Joe Harvell wrote:
> Ok. This partially works. But now I can't get postfix to do SMTP auth
> to the relay:
> # look at stunnel.conf to find real relay
> [att ssmtp]
> accept = dingo.pvt:56399
> connect = smtp.att.yahoo.com:465
> # remotehost user:password
> smtp.att.yahoo.com <secret>
> smtp.sbcglobal.yahoo.com <secret>
> smtp-sbc.mail.yahoo.com <secret>
> smtp.sbc.mail.yahoo4.akadns.net <secret>
> dingo.pvt <secret>
> I get mail bounced with 530 - Authentication Required.
> I captured packets on the unencrypted side of the stunnel:
> rcv 220 smtp114.sbc.mail.re2.yahoo.com ESMTP
> snd EHLO 188.8.131.52
> rcv 250-smtp114.sbc.mail.re2.yahoo.com
> rcv 250-AUTH LOGIN PLAIN XYMCOOKIE
> rcv 250-PIPELINING
> rcv 250 8BITMIME
> snd MAIL FROM:<jharvelldogpad.net>
> snd RCPT TO:<harvellnortel.com>
> snd DATA
> rcv 530 authentication required - for help go to
> Clearly, Postfix is not performing SMTP Auth. But it does do this when
> I specify relayhost as [smtp.att.yahoo.com]:25. I assume Postfix must
> be trying to match entries in saslpass by doing a reverse DNS lookup of
> the IP address identified by the relayhost hostname. So for dingo.pvt,
> I expect it resolves that to an address then does a reverse lookup to
> get the canonical name. But dingo.pvt (actually dingo.pvt.) is the
> canonical name:
> dig -t a dingo.pvt
> ;; ANSWER SECTION:
> dingo.pvt. 0 IN A 192.168.11.1
> dig -t ptr 184.108.40.206.in-addr.arpa.
> ;; ANSWER SECTION:
> 220.127.116.11.in-addr.arpa. 172800 IN PTR dingo.pvt.
> Things I already tried:
> - postmap /etc/postfix/saslpass
> - restarting postfix
> - restarting saslauthd
> - putting dingo.pvt. instead of dingo.pvt in my saslpass
> Noel Jones wrote:
>> At 03:25 PM 7/31/2007, Joe Harvell wrote:
>>> I can configure Thunderbird to deliver to smtp.att.yahoo.com using
>>> SMTP over SSL (port 465). How can I do this with Postfix?
>> There was a recent thread about this.
>> Ask again if you need further help.