Error while talking to IMAP server

Jungho Ahn

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Apr 27, 2017, 2:23:42 PM4/27/17

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Hi,

I'm trying to set up receiveemail. My config is

[receiveemail]

protocol = IMAP

host = imap.gmail.com

port = 993

encryption = SSL

username = xxxx

password = yyyy

But I got the following exception.

[2017-04-27 11:19:36,707] [main] INFO com.google.gerrit.pgm.Daemon : Gerrit Code Review 2.14 ready

[2017-04-27 11:19:45,266] [Timer-1] ERROR com.google.gerrit.server.mail.receive.ImapMailReceiver : Error while talking to IMAP server

java.io.EOFException: Connection closed without indication.

at org.apache.commons.net.imap.IMAP.__getReply(IMAP.java:151)

at org.apache.commons.net.imap.IMAP._connectAction_(IMAP.java:227)

at org.apache.commons.net.imap.IMAPSClient._connectAction_(IMAPSClient.java:175)

at org.apache.commons.net.SocketClient.connect(SocketClient.java:189)

at org.apache.commons.net.SocketClient.connect(SocketClient.java:209)

at org.apache.commons.net.SocketClient.connect(SocketClient.java:306)

at com.google.gerrit.server.mail.receive.ImapMailReceiver.handleEmails(ImapMailReceiver.java:60)

at com.google.gerrit.server.mail.receive.MailReceiver$1.run(MailReceiver.java:89)

at java.util.TimerThread.mainLoop(Timer.java:555)

at java.util.TimerThread.run(Timer.java:505)

I tried to test with openssl

openssl s_client -crlf -connect imap.gmail.com:993

...

tag login xxxx yyyy

* CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT LIST-EXTENDED LIST-STATUS LITERAL- SPECIAL-USE APPENDLIMIT=35651584

tag OK xxxx authenticated (Success)

tag LIST "" "*"

* LIST (\HasNoChildren) "/" "INBOX"

...

I got the same exception when I try to POP3.

Is there something wrong with my config?

Thanks,

Jungho Ahn

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Apr 28, 2017, 12:20:18 PM4/28/17

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Did anyone have the same issue?

Given that the connection with openssl works fine, I think there is some issue in my config or receiveemail.

Patrick Hiesel

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May 2, 2017, 3:01:55 AM5/2/17

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Hi!

Have you tried to use TLS instead of SSL? https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#receiveemail.encryption

If that doesn't work either, I can try to setup a test instance to see what the problem is. Though, we use Apache Commons to connect to the mail servers, so if there is an issue at this layer, it is likely that it's either a configuration problem or a problem with the mail server.

Thanks!
Patrick

Jungho Ahn

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May 2, 2017, 5:26:59 AM5/2/17

to Patrick Hiesel, Repo and Gerrit Discussion

Hi Patrick,

Yes I tried TLS, but it didn't work either - same error message.

Thanks!

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Jungho Ahn

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May 5, 2017, 1:20:36 PM5/5/17

to Patrick Hiesel, Repo and Gerrit Discussion

Hi Patrick,

I'm just wondering if you have a chance to test and see what the problem is.

Thanks,

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Patrick Hiesel

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May 8, 2017, 9:37:48 AM5/8/17

to Jungho Ahn, Repo and Gerrit Discussion

Hi Jungho,

I did and I was able to reproduce your error. Thanks for your report!

We did not use SSL/TLS implicitly (that means that the TLS command is executed right after the connection was established) which is required for Gmail. I've uploaded a fix here:

https://gerrit-review.googlesource.com/c/106111/

My config is (would be similar for IMAP then):

[receiveemail]

protocol = POP3

host = pop.gmail.com

port = 995

encryption = SSL

username = omi...@gmail.com

password = omitted

Hope that works for you.

Thanks!
Patrick

Patrick Hiesel

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May 8, 2017, 9:55:28 AM5/8/17

to Jungho Ahn, Repo and Gerrit Discussion

... sorry I forgot to mention that for Gmail, you need to allow access from less secure apps for the account you want to access:

https://myaccount.google.com/lesssecureapps

Thanks,

Patrick

Jungho Ahn

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May 8, 2017, 2:26:06 PM5/8/17

to Patrick Hiesel, Repo and Gerrit Discussion

Cool! Thanks Patrick for fixing this.

Is this going to be in the next release like 2.14.1?

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David Pursehouse

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May 8, 2017, 7:20:53 PM5/8/17

to Jungho Ahn, Patrick Hiesel, Repo and Gerrit Discussion

On Tue, May 9, 2017 at 3:26 AM 'Jungho Ahn' via Repo and Gerrit Discussion <repo-d...@googlegroups.com> wrote:

Cool! Thanks Patrick for fixing this.
Is this going to be in the next release like 2.14.1?

Yes, this fix will be in 2.14.1.

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Jungho Ahn

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Jun 19, 2017, 8:12:37 PM6/19/17

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Hi David,

I just upgraded to 2.14.1 and receiveemail seems to fetch emails well.

But I'm not sure how to enable it. When I reply from the change email, it replies to all reviewers not to gerrit server email.

I'm following https://gerrit-review.googlesource.com/Documentation/intro-user.html#reply-by-email and https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#receiveemail.

Thanks,

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Patrick Hiesel

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Jun 20, 2017, 7:31:36 AM6/20/17

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Hi Jungho,

> I just upgraded to 2.14.1 and receiveemail seems to fetch emails well.

Great!

> But I'm not sure how to enable it. When I reply from the change email, it replies to all reviewers not to gerrit server email.

There are multiple ways to do this. You can either set 'sendmail.from' to your inbound address if both inbound and outbound address are the same.

Alternatively you can set 'sendmail.replyToAddress' to your inbound address if your inbound and outbound address differ.

You can find details about those settings in the docs you have linked.

Hope that helps!

Patrick

Jungho Ahn

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Jun 20, 2017, 1:26:32 PM6/20/17

to Patrick Hiesel, David Pursehouse, Repo and Gerrit Discussion

IIUC, there should be no need to set 'sendmail.from' or 'sendmail.replyToAddress'.

'sendmail.from' is MIXED by default and it seems to work as expected.

'sendmail.replyToAddress' is empty by default, which adds 'sendemail.from' as Reply-To if inbound email is enabled.

But 'Reply-To' is set to all reviewers' and the author's emails. Did I misunderstand something?

Thanks,

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Patrick Hiesel

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Jun 21, 2017, 9:48:06 AM6/21/17

to Jungho Ahn, David Pursehouse, Repo and Gerrit Discussion

Your explanation is correct. If you now set ''sendmail.replyToAddress' to the address at which Gerrit can receive emails, you should be good to go to just hit reply and send your comment.

IIRC by default we set Reply-To to all reviewers, but I thought there was some exception made for hosts that have inbound email enabled. Anyway, setting 'sendmail.replyToAddress' should do the trick.

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