opensmtpd-5.7.1 - cannot authenticate

[Herbert J. Skuhra]

On Tue, Jul 28, 2015 at 09:24:05PM +0200, Pietro Cerutti wrote:
> On 2015-Jul-28, 15:24, Herbert J. Skuhra wrote:
> > On Mon, Jul 27, 2015 at 08:47:47PM +0200, Pietro Cerutti wrote:
> > > Hi,
> > > 
> > > I tried to upgrade from 5.4.6 to 5.7.1, and suddenly I am unable to
> > > authenticate.  This is from the log file:
> > > 
> > > Jul 27 17:05:03 mail smtpd[12146]: smtp-in: Failed command on session
> > > a0516551dc7a4dc4: "AUTH PLAIN (...)" => 501 5.5.2 Syntax error: Syntax
> > > error
> > > 
> > > Relevant config lines area
> > > 
> > > pki mydomain certificate   "/usr/local/etc/mail-admin/tls/server.crt"
> > > pki mydomain key           "/usr/local/etc/mail-admin/tls/server.key"
> > > table credentials file:/usr/local/etc/mail-admin/db/auth-smtp.db
> > > listen on 192.168.1.1 secure auth-optional <credentials> pki mydomain
> > 
> > What's the output of 'file /usr/local/etc/mail-admin/db/auth-smtp.db'?
> > Maybe you need db: not file:?
> 
> it's an ASCII file, as it was with 5.4.6. As I said, no config
> (including backend table files) has changed.
> 
> > > I am able to switch from the 5.4.6 to the 5.7.1 binary and reproduce
> > > that I can send mail with the former and cannot with the latter. No
> > > config has changed.
> > 
> > Have you tried to run 'smtpd -dv' or 'smtpd -dv -T all'?
> 
> Here's the output from smtpd -dv -T all.
> 
> Thank you!

Opensmtpd 5.7.1p1 obviously has a problem when the auth username
contains "@" (e.g: foo at example.com).

-- 
Herbert