Hello,
I just discovered a small incompatibility between
my eMail Client (Forte Agent), and James in the way
they handle SMTP-AUTH.
If James requires SMTP Authentication, he sends something like this at the start of an
SMTP Session:
----
220 dualserver.buchseiten.com SMTP Server (JAMES SMTP Server 2.1.1a6) ready Sun, 9 Feb
2003 11:32:22 +0100 (CET)
EHLO elias
250-dualserver.buchseiten.com Hello elias (192.168.0.112 [192.168.0.112])
250 AUTH LOGIN PLAIN
---
Now, as it turns out, Forte Agent would expect the
"250 AUTH LOGIN PLAIN" part of the EHLO Greeting in the Format "250 AUTH=LOGIN PLAIN"
(Note the equals sign).
It simply does not try to authenticate if it receives the
above, and then reports an error if it gets a response
that authentification would have been required.
I tried the same with a Postfix setup, and Postfix sends an EHLO greeting like this:
----
220 dualserver.buchseiten.com ESMTP Postfix (Debian/GNU)
EHLO elias
250-dualserver.buchseiten.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-AUTH GSSAPI CRAM-MD5 DIGEST-MD5 LOGIN PLAIN NTLM
250-AUTH=GSSAPI CRAM-MD5 DIGEST-MD5 LOGIN PLAIN NTLM
250-XVERP
250 8BITMIME
AUTH LOGIN
----
As you can see, there are 2 "250-AUTH" Statements - one without, and one with an
equals sign.
Forte Agent works perfectly well in conjuction with Postfix, so I guessed the missing
equals sign was the problem.
And actually, it was. I changed the following lines from
org/apache/james/smtpserver/SMTPHandler.java in the methods doHELO() and doEHLO()
(both contain partially the same code)
--- original ---
if (theConfigData.isAuthRequired()) {
writeLoggedResponse(responseString);
responseString = "250 AUTH LOGIN PLAIN";
}
----------------
---- fixed -----
if (theConfigData.isAuthRequired()) {
writeLoggedResponse(responseString);
responseString = "250-AUTH LOGIN PLAIN";
writeLoggedResponse(responseString);
responseString = "250 AUTH=LOGIN PLAIN";
}
----------------
After I rebuilt, it worked fine ..
I don't know if other eMail Clients are affected by this, but Forte Agent definitely
is.
with best regards,
Kai Londenberg
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