diff --git a/.github/codecov.yml b/.github/codecov.yml
deleted file mode 100644
index ff4f571..0000000
--- a/.github/codecov.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-# ref: https://docs.codecov.com/docs/codecovyml-reference
-coverage:
-  # Hold ourselves to a high bar
-  range: 85..100
-  round: down
-  precision: 1
-  status:
-    # ref: https://docs.codecov.com/docs/commit-status
-    project:
-      default:
-        # Avoid false negatives
-        threshold: 1%
-
-# Test files aren't important for coverage
-ignore:
-  - "tests"
-
-# Make comments less noisy
-comment:
-  layout: "files"
-  require_changes: yes
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
deleted file mode 100644
index e9a9358..0000000
--- a/.github/workflows/coverage.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: coverage
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: llvm-tools-preview
-      - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@cargo-llvm-cov
-      - name: Generate code coverage
-        run: cargo llvm-cov --features test-full-imap --lcov --output-path lcov.info
-      - name: Upload to codecov.io
-        uses: codecov/codecov-action@v2
-        with:
-          fail_ci_if_error: true
-    services:
-      cyrus_imapd:
-        image: outoforder/cyrus-imapd-tester:latest
-        ports:
-          - 3025:25
-          - 3143:143
-          - 3465:465
-          - 3993:993
diff --git a/.github/workflows/features.yml b/.github/workflows/features.yml
deleted file mode 100644
index ac5e18e..0000000
--- a/.github/workflows/features.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: cargo hack
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Install cargo-hack
-        uses: taiki-e/install-action@cargo-hack
-      - name: cargo hack
-        uses: actions-rs/cargo@v1
-        with:
-          command: hack
-          args: --feature-powerset check --all-targets
diff --git a/.github/workflows/minimal.yml b/.github/workflows/minimal.yml
deleted file mode 100644
index 9a3f187..0000000
--- a/.github/workflows/minimal.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: With dependencies at minimal versions
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: cargo update -Zminimal-versions
-        uses: actions-rs/cargo@v1
-        with:
-          command: update
-          toolchain: nightly
-          args: -Zminimal-versions
-      - name: cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features test-full-imap --all-targets
-    services:
-      cyrus_imapd:
-        image: outoforder/cyrus-imapd-tester:latest
-        ports:
-          - 3025:25
-          - 3143:143
-          - 3465:465
-          - 3993:993
diff --git a/.github/workflows/msrv.yml b/.github/workflows/msrv.yml
deleted file mode 100644
index d6d9046..0000000
--- a/.github/workflows/msrv.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: Minimum Supported Rust Version
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: 1.56.1 # 2021 edition requires 1.56
-          override: true
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: cargo +1.56.1 check
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
diff --git a/.github/workflows/os-check.yml b/.github/workflows/os-check.yml
deleted file mode 100644
index 1054489..0000000
--- a/.github/workflows/os-check.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: os check
-jobs:
-  os-check:
-    runs-on: ${{ matrix.os }}
-    name: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [macos-latest, windows-latest]
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-      - uses: actions/checkout@v3
-      - name: cargo check
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --all-features --all-targets
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
deleted file mode 100644
index 7a583f2..0000000
--- a/.github/workflows/style.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: lint
-jobs:
-  style:
-    runs-on: ubuntu-latest
-    name: ${{ matrix.toolchain }}
-    strategy:
-      fail-fast: false
-      matrix:
-        toolchain: [stable, beta]
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          components: rustfmt, clippy
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: cargo fmt --check
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --check
-      - name: cargo clippy
-        uses: actions-rs/clippy-check@v1
-        if: always()
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-  doc:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-      - uses: actions/checkout@v3
-      - name: cargo doc
-        uses: actions-rs/cargo@v1
-        with:
-          toolchain: nightly
-          command: doc
-          args: --no-deps --all-features
-        env:
-          RUSTDOCFLAGS: --cfg docsrs
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index 3821afd..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,64 +0,0 @@
-on:
-  push:
-    branches: [main]
-  pull_request:
-name: cargo test
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    name: greenmail/${{ matrix.toolchain }}
-    strategy:
-      matrix:
-        toolchain: [stable, beta, nightly]
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all-targets
-    services:
-      greenmail:
-        image: greenmail/standalone:1.6.8
-        ports:
-          - 3025:3025
-          - 3110:3110
-          - 3143:3143
-          - 3465:3465
-          - 3993:3993
-          - 3995:3995
-        env:
-          GREENMAIL_OPTS: "-Dgreenmail.setup.test.all -Dgreenmail.hostname=0.0.0.0 -Dgreenmail.auth.disabled -Dgreenmail.verbose"
-  test_cyrus:
-    runs-on: ubuntu-latest
-    name: cyrus/${{ matrix.toolchain }}
-    strategy:
-      matrix:
-        toolchain: [stable, beta, nightly]
-    steps:
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features test-full-imap --all-targets
-    services:
-      cyrus_imapd:
-        image: outoforder/cyrus-imapd-tester:latest
-        ports:
-          - 3025:25
-          - 3143:143
-          - 3465:465
-          - 3993:993