chore(deps): bump mail from 2.9.0 to 2.9.1

Bumps [mail](https://github.com/mikel/mail) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/mikel/mail/releases)
- [Changelog](https://github.com/mikel/mail/blob/master/CHANGELOG.rdoc)
- [Commits](https://github.com/mikel/mail/compare/2.9.0...2.9.1)

---
updated-dependencies:
- dependency-name: mail
  dependency-version: 2.9.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.4.0"
+  ".": "3.3.7"
 }

CHANGELOG.md

@@ -2,18 +2,6 @@
 
 This file contains all the latest changes and updates to Postal.
 
-## [3.4.0](https://github.com/postalserver/postal/compare/3.3.7...3.4.0) (2026-09-13)
-
-
-### Features
-
-* add configurable Postal logger level defaulting to INFO ([#3626](https://github.com/postalserver/postal/issues/3626)) ([ced77a3](https://github.com/postalserver/postal/commit/ced77a3860c23779889aec8dacd2642f20d10cea))
-
-
-### Bug Fixes
-
-* give each worker process a unique locker identity ([#3628](https://github.com/postalserver/postal/issues/3628)) ([3be663d](https://github.com/postalserver/postal/commit/3be663dc8931bd731516bafd6edff6b0fbd03df2))
-
 ## [3.3.7](https://github.com/postalserver/postal/compare/3.3.6...3.3.7) (2026-06-03)
 
 

Gemfile.lock

@@ -196,7 +196,7 @@ GEM
     loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.9.0)
+    mail (2.9.1)
       logger
       mini_mime (>= 0.1.1)
       net-imap
@@ -211,12 +211,12 @@ GEM
     mysql2 (0.5.6)
     net-http (0.4.1)
       uri
-    net-imap (0.6.4)
+    net-imap (0.6.6)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
-    net-protocol (0.2.2)
+    net-protocol (0.3.0)
       timeout
     net-smtp (0.5.1)
       net-protocol

doc/config/environment-variables.md

@@ -43,7 +43,6 @@ This document contains all the environment variables which are available for thi
 | `LOGGING_RAILS_LOG_ENABLED` | Boolean | Enable the default Rails logger | false |
 | `LOGGING_SENTRY_DSN` | String | A DSN which should be used to report exceptions to Sentry |  |
 | `LOGGING_ENABLED` | Boolean | Enable the Postal logger to log to STDOUT | true |
-| `LOGGING_LEVEL` | String | The minimum log level for the Postal logger (debug, info, warn, error, fatal) | INFO |
 | `LOGGING_HIGHLIGHTING_ENABLED` | Boolean | Enable highlighting of log lines | false |
 | `GELF_HOST` | String | GELF-capable host to send logs to |  |
 | `GELF_PORT` | Integer | GELF port to send logs to | 12201 |

doc/config/yaml.yml

@@ -89,8 +89,6 @@ logging:
   sentry_dsn: 
   # Enable the Postal logger to log to STDOUT
   enabled: true
-  # The minimum log level for the Postal logger (debug, info, warn, error, fatal)
-  level: INFO
   # Enable highlighting of log lines
   highlighting_enabled: false
 

lib/postal/config.rb

@@ -11,7 +11,6 @@ require "konfig/sources/environment"
 require "konfig/sources/yaml"
 require "dotenv"
 require "klogger"
-require "securerandom"
 
 require_relative "error"
 require_relative "config_schema"
@@ -83,21 +82,16 @@ module Postal
     def logger
       @logger ||= begin
         k = Klogger.new(nil, destination: Config.logging.enabled? ? $stdout : "/dev/null", highlight: Config.logging.highlighting_enabled?)
-        k.level = Config.logging.level
         k.add_destination(graylog_logging_destination) if Config.gelf.host.present?
         k
       end
     end
 
-    def process_identity
-      @process_identity ||= SecureRandom.hex(8)
-    end
-
     def process_name
       @process_name ||= begin
-        "host:#{Socket.gethostname} pid:#{Process.pid} id:#{process_identity}"
+        "host:#{Socket.gethostname} pid:#{Process.pid}"
       rescue StandardError
-        "pid:#{Process.pid} id:#{process_identity}"
+        "pid:#{Process.pid}"
       end
     end
 

lib/postal/config_schema.rb

@@ -227,19 +227,6 @@ module Postal
         default true
       end
 
-      string :level do
-        description "The minimum log level for the Postal logger (debug, info, warn, error, fatal)"
-        default "INFO"
-        transform do |value|
-          normalized = value.to_s.strip.downcase
-          normalized = "info" if normalized.empty?
-          unless %w[debug info warn error fatal].include?(normalized)
-            raise ArgumentError, "logging.level must be one of: debug, info, warn, error, fatal (got #{value.inspect})"
-          end
-          normalized
-        end
-      end
-
       boolean :highlighting_enabled do
         description "Enable highlighting of log lines"
         default false