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mail is not delivered if metamta.placeholder-to-recipient is null
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This is duplicate of now closed T11130 with more information. I thought I gave enough details talking about rule I created and output of the message I saw. Anyway as more information was expected in a new bug, I am adding this one.

I have created an herald rule, screenshot of which is below.

herald_rule.jpg (724×1 px, 334 KB)

The message tab shows the following, where To is None and Cc is vivekanand (me)

message_detail.jpg (754×1 px, 194 KB)

And finally, this is what the status shows. "invalid address: null"

failed_status_detail.jpg (254×1 px, 126 KB)

That is all I can see in the mail metadata tab, and mail is not sent, delivery is failed.

Now just to be sure the empty metamta.placeholder-to-recipient is causing the problem, I added an email to it and resent (using ./bin/mail resend) the mail, it works perfectly, the mail is sent.

Just to be sure, this is how the config screen looks when the mail fails to deliver.

config.png (541×1 px, 54 KB)

And the versions are : -
phabricator 77d543ba44638a2e43e1b6bb7f75db80b4046409 (Sat, May 21)
arcanist 0249f90a9a4aa42da0823673a6ac8c620251d82a (Sat, May 21)
phutil 7ff4bd8dfb0b58686a72821dd0e9e79e0f5cbbb9 (Sat, May 21)
Local Version Bitnami Phabricator 20160523-0

Hope the information given here is enough and helpful. I am ready to add more information if needed.


Event Timeline

Local Version Bitnami Phabricator 20160523-0

Externally packaged versions of Phabricator are not supported by this upstream. You need to install Phabricator by using the Installation Guide.

I am running into this issue too and am on commits:

phabricator d3b7a0f37c975397455d633254e9b4a1246023f9 (Fri, May 26) (branched from 9d37ad3022bfff8a2900b9d728e6abbb6a1e27f0 on origin)
arcanist 21fe07925b07cab0f73ec824fe8ce02f53b24fe0 (Fri, May 19) (branched from 129d51fa0936c9bae48fadf3a3f39e26d69d24da on origin)
phutil d02cc05931b02c684d4c729510090591ca45f951 (Apr 29 2017) (branched from a900d7b63e954e221efe140f0f33d3d701524aae on origin)

I am seeing the following exception in the logs:

[15-Jun-2017 08:06:55 America/Los_Angeles] [2017-06-15 08:06:55] EXCEPTION: (PhutilProxyException) Error while executing Task ID 297129. {>} (phpmailerException) Invalid address: null at [<phabricator>/externals/phpmailer/class.phpmailer.php:462]
[15-Jun-2017 08:06:55 America/Los_Angeles] arcanist(head=stable, ref.stable=21fe07925b07), phabricator(head=stable, ref.stable=d3b7a0f37c97), phutil(head=stable, ref.stable=d02cc05931b0)
[15-Jun-2017 08:06:55 America/Los_Angeles]   #0 <#2> PHPMailer::AddAnAddress(string, string, string) called at [<phabricator>/externals/phpmailer/class.phpmailer.php:408]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #1 <#2> PHPMailer::AddAddress(string) called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailImplementationPHPMailerAdapter.php:68]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #2 <#2> PhabricatorMailImplementationPHPMailerAdapter::addTos(array) called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:657]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #3 <#2> PhabricatorMetaMTAMail::sendNow() called at [<phabricator>/src/applications/metamta/PhabricatorMetaMTAWorker.php:26]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #4 <#2> PhabricatorMetaMTAWorker::doWork() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorWorker.php:123]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #5 <#2> PhabricatorWorker::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php:171]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #6 <#2> PhabricatorWorkerActiveTask::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorTaskmasterDaemon.php:22]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #7 PhabricatorTaskmasterDaemon::run() called at [<phutil>/src/daemon/PhutilDaemon.php:219]
[15-Jun-2017 08:06:55 America/Los_Angeles]   #8 PhutilDaemon::execute() called at [<phutil>/scripts/daemon/exec/exec_daemon.php:131]

Just adding this info to the ticket in case it is of help.

I'm not sure I understand something:

What is the problem? What is wrong/not working?

Also, @aravindh: Your install is in an inconsistent state, you should upgrade all 3 repos at the same time - see Upgrading Phabricator.

What is the problem? What is wrong/not working?

If I add a subscriber to a differential revision, the email doesn't get sent to subscriber email. If I check the mail list and do mail show-outbound, I see the following:

ID: 42303
Status: fail
Related PHID: PHID-CMIT-kdjcwzte6ip7ivdj2oi4
Message: Invalid address: null

This is also reflected in the /mail/ page if I look at the info for that message id.

Your install is in an inconsistent state, you should upgrade all 3 repos at the same time

Thanks for pointing that out. I did a git pull in all three repos AFAIK. But I can try again. to see if they sync up. However I have been having this issue for a long time and have done multiple upgrades in that time.

avivey renamed this task from metamta.placeholder-to-recipient doesn't upgrade CCs to To as it says so. [With more info] to mail is not delivered if metamta.placeholder-to-recipient is null.Jun 15 2017, 9:23 PM
epriestley added a subscriber: epriestley.

This report doesn't include working reproduction instructions so we can't move forward.

Notably, metamta.placeholder-to-recipient is null on this install and mail works fine.