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https://issues.apache.org/jira/browse/NET-509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679550#comment-13679550
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Anthony Dahanne commented on NET-509:
-------------------------------------
Hello Sebb,
thanks for applying the patch; I just had a look at
https://repository.apache.org/content/groups/snapshots/commons-net/commons-net/3.3-SNAPSHOT/
to get the latest build, but it is empty.
Is there a place to get the latest snapshots ? if not, when is the release
(3.3) due for ?
thanks again
> AuthenticatingSMTPClient needs a constructor with the isImplicit argument for
> SSL
> ---------------------------------------------------------------------------------
>
> Key: NET-509
> URL: https://issues.apache.org/jira/browse/NET-509
> Project: Commons Net
> Issue Type: Bug
> Components: SMTP
> Environment: all
> Reporter: Anthony Dahanne
> Labels: patch
> Fix For: 3.3
>
> Attachments:
> NET-509____AuthenticatingSMTPClient_needs_a_constructor_with_the_isImplicit_argument_for_S.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> AuthenticatingSMTPClient extends SMTPSClient but does not have a constructor
> with the isImplicit argument.
> Because of this we can not connect to a SSL SMTP server that requires
> authentication.
> According to the SMTPSClient javadoc :
> {quote}
> In explicit mode (the default), SSL/TLS
> * negotiation starts when the user calls execTLS() and the server accepts
> the command.
> Implicit usage:
> SMTPSClient c = new SMTPSClient(true);
> c.connect("127.0.0.1", 465);
> Explicit usage:
> SMTPSClient c = new SMTPSClient();
> c.connect("127.0.0.1", 25);
> if (c.execTLS()) { /rest of the commands here/ }
> {quote}
> So all in all, we could think this is not important to have a constructor
> without the isImplicit argument, since we can go the c.execTLS() way.
> But here is what happens when you use the explicit usage with
> AuthenticatingSMTPClient and a SSL connection (works fine with STARTTLS btw)
> : when you call connect(), SMTP.__getReply() is eventually called, and line
> 196 :
> {code}
> String line = _reader.readLine();
> {code}
> is waiting for the SMTP server to reply... BUT the smtp client did not yet
> initiate the SSL connection; so we just wait for the timeout to occur (since
> the server won't reply anything before the SSL connection is initialized).
> And if we try to call execTls() before connect(), we get a NPE because the
> writer is not set yet.
> I have attached a simple patch to make AuthenticatingSMTPClient works with
> SSL connections (again it works fine with STARTTLS already)
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