Observed Behavior:
Email no longer sends via the PhabricatorMailImplementationAmazonSESAdapter. The daemon.log contains the following backtrace…
[14-Feb-2018 11:54:59 America/New_York] [2018-02-14 11:54:59] EXCEPTION: (PhutilProxyException) Error while executing Task ID 1969423. {>} (Exception) Mailer ("PhabricatorMailImplementationAmazonSESAdapter") is attempting to access unknown option ("encoding"). at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailImplementationAdapter.php:72]
[14-Feb-2018 11:54:59 America/New_York] arcanist(head=stable, ref.master=c804c5026011, ref.stable=22b0893473ae), phabricator(head=stable, ref.master=1ac52c09e757, ref.stable=708acce9275a), phutil(head=stable, ref.master=134b16a724eb, ref.stable=fd9060c5a1ef)
[14-Feb-2018 11:54:59 America/New_York] #0 <#2> PhabricatorMailImplementationAdapter::getOption(string) called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailImplementationPHPMailerLiteAdapter.php:43]
[14-Feb-2018 11:54:59 America/New_York] #1 <#2> PhabricatorMailImplementationPHPMailerLiteAdapter::prepareForSend() called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailImplementationAmazonSESAdapter.php:12]
[14-Feb-2018 11:54:59 America/New_York] #2 <#2> PhabricatorMailImplementationAmazonSESAdapter::prepareForSend() called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:570]
[14-Feb-2018 11:54:59 America/New_York] #3 <#2> PhabricatorMetaMTAMail::newMailers() called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:483]
[14-Feb-2018 11:54:59 America/New_York] #4 <#2> PhabricatorMetaMTAMail::sendNow() called at [<phabricator>/src/applications/metamta/PhabricatorMetaMTAWorker.php:22]
[14-Feb-2018 11:54:59 America/New_York] #5 <#2> PhabricatorMetaMTAWorker::doWork() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorWorker.php:123]
[14-Feb-2018 11:54:59 America/New_York] #6 <#2> PhabricatorWorker::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php:171]
[14-Feb-2018 11:54:59 America/New_York] #7 <#2> PhabricatorWorkerActiveTask::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorTaskmasterDaemon.php:22]
[14-Feb-2018 11:54:59 America/New_York] #8 PhabricatorTaskmasterDaemon::run() called at [<phutil>/src/daemon/PhutilDaemon.php:219]
[14-Feb-2018 11:54:59 America/New_York] #9 PhutilDaemon::execute() called at [<phutil>/scripts/daemon/exec/exec_daemon.php:131]
Phabricator Version:
Currently running on commit 708acce9275ac95a579868ca61dd2a66766019c3 from Feb 13th
Reproduction Steps:
Configure the SES email adaptor and attempt to send an email