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https://issues.apache.org/jira/browse/JAMES-1422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tellier Benoit resolved JAMES-1422.
-----------------------------------
Resolution: Fixed
Seems to be solved on master
> Empty MAIL FROM: <> throws javax.mail.internet.AddressException: Out of data
> at position 1 in '' in string ``'' at position 1
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: JAMES-1422
> URL: https://issues.apache.org/jira/browse/JAMES-1422
> Project: James Server
> Issue Type: Bug
> Components: James Core, SMTPServer
> Affects Versions: 3.0-beta4, 3.0.0-beta5
> Environment: All environments.
> Reporter: Aaron Freeman
> Labels: smtp
>
> James 3.0 is not allowing empty MAIL FROM: <>
> It does allow you to enter it, then a RCPT TO and DATA, but after you finish
> the DATA command it throws an exception:
> ERROR 10:31:12,847 | james.smtpserver | Id='234288323' User='' Invalid email
> address while processing DATA.
> javax.mail.internet.AddressException: Out of data at position 1 in '' in
> string ``'' at position 1
> at org.apache.mailet.MailAddress.<init>(MailAddress.java:159)
> To reproduce the error (and to test whether you have fixed it), you can copy
> paste the responses below:
> [root@alpha log]# telnet 10.123.123.123 25 Trying 10.123.123.123...
> Connected to alpha.nospam.com (10.123.123.123).
> Escape character is '^]'.
> 220 alpha.nospam.com JAMES SMTP Server Server (JAMES SMTP Server ) ready EHLO
> testcomputer.com 250-alpha.nospam.com Hello testcomputer.com
> [10.123.123.123]) 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-PIPELINING
> 250-ENHANCEDSTATUSCODES
> 250 8BITMIME
> MAIL FROM: <>
> 250 2.1.0 Sender <> OK
> RCPT TO: <aa...@nospam.com>
> 250 2.1.5 Recipient <aa...@nospam.com> OK DATA
> 354 Ok Send data ending with <CRLF>.<CRLF>
> Subject: Test
> Test
> .
> 451 4.0.0 Error processing message: Out of data at position 1 in ''
> quit
> 451 Unable to process request
> Connection closed by foreign host.
> This is a pretty important issue as its required by RFC1123 5.2.9 to allow
> empty MAIL FROM due to bounce emails often using empty MAIL FROM to prevent
> bounce loops.
> As Stefano Bagnara pointed out:
> "This is all best summed up by section 5.2.9 of RFC1123, which says:
> ----
> The syntax shown in RFC-821 for the MAIL FROM: command omits the case of an
> empty path: "MAIL FROM:<>" (see RFC-821 Page 15). An empty reverse path MUST
> be supported.
> ----
> So, an empty email address is NOT a valid email address, but an empty email
> address is valid in an
> SMTP conversation as a way to say "no mail address".
> IIRC James 2.3 dealt with this using null sender in case a <> was received
> (so to not build an "invalid" empty address object)."
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