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feat(email): add SMTP AutoTLS configuration option #1080

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Merged
JohnVillalovos merged 1 commit into from
Feb 24, 2026
Merged

feat(email): add SMTP AutoTLS configuration option #1080

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3 changes: 3 additions & 0 deletions config/config.dist.php
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,9 @@
# Options: tls, ssl
'smtp.secure' => '',

# SMTP Auto TLS, if an unencrypted SMTP connection should attempt to use STARTTLS
'smtp.autotls' => true,

# Enable SMTP authentication (true/false)
'smtp.auth' => true,

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5 changes: 5 additions & 0 deletions docs/source/ADVANCED-CONFIGURATION.rst
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Expand Up @@ -159,6 +159,7 @@ Advanced PHPMailer Settings
'phpmailer' => [
'sendmail.path' => '/usr/sbin/sendmail',
'smtp.debug' => false,
'smtp.autotls' => true,
],

**phpmailer.sendmail.path**
Expand All @@ -167,6 +168,10 @@ Advanced PHPMailer Settings
**phpmailer.smtp.debug**
Enable SMTP debug output (true/false).

**phpmailer.smtp.autotls**
Set PHPMailer's SMTPAutoTLS setting (true/false). Determines if an
unencrypted SMTP connection should attempt to use STARTTLS.

Logging Configuration
---------------------

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9 changes: 9 additions & 0 deletions lib/Config/ConfigKeys.php
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Expand Up @@ -312,6 +312,15 @@ class ConfigKeys
'section' => 'phpmailer'
];

public const PHPMAILER_SMTP_AUTOTLS = [
'key' => 'phpmailer.smtp.autotls',
'type' => 'boolean',
'default' => true,
'label' => 'SMTP AutoTLS',
'description' => 'If an unencrypted SMTP connection should attempt to use STARTTLS',
'section' => 'phpmailer'
];

public const PHPMAILER_SMTP_AUTH = [
'key' => 'phpmailer.smtp.auth',
'type' => 'boolean',
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1 change: 1 addition & 0 deletions lib/Email/EmailService.php
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Expand Up @@ -31,6 +31,7 @@ public function __construct($phpMailer = null)
$phpMailer->Host = $this->Config(ConfigKeys::PHPMAILER_SMTP_HOST);
$phpMailer->Port = $this->Config(ConfigKeys::PHPMAILER_SMTP_PORT, new IntConverter());
$phpMailer->SMTPSecure = $this->Config(ConfigKeys::PHPMAILER_SMTP_SECURE);
$phpMailer->SMTPAutoTLS = $this->Config(ConfigKeys::PHPMAILER_SMTP_AUTOTLS, new BooleanConverter());
$phpMailer->SMTPAuth = $this->Config(ConfigKeys::PHPMAILER_SMTP_AUTH, new BooleanConverter());
$phpMailer->Username = $this->Config(ConfigKeys::PHPMAILER_SMTP_USERNAME);
$phpMailer->Password = $this->Config(ConfigKeys::PHPMAILER_SMTP_PASSWORD);
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