Supported Platforms

## Browsers

OBM needs a minimum screen resolution of 1024x768. For better support and comfort we recommend Firefox or Chrome.

| Browser | OBM 2.4|OBM 2.5|OBM 3|
| ---------- | -------- | -------- | -------- |
| Firefox | 2+ | 2+ | 2+ |
| Chrome | 10+ | 10+ | 10+ |
| IE | 6+ | 8+ | 9+ (10+ for imap archive administration) |

Please note that Internet Explorer _compatibility view mode_ isn't supported.

## Mobile devices

See [supported mobile phones](/node/14) page for details.

## Global requirements

| Software | OBM 2.4.0 | OBM 2.4.1/2.4.2/2.5 | OBM 3 |
| -------- | -------- | -------- | -------- |
| PHP | 5.2 | 5.2.1 to 5.3.X. Warning: PHP from 5.3.3 to 5.3.6 (inclusive) are bugged. Don't use them with OBM | 5.3 or 5.4 |
| Postgresql | 8.3 | 8.4 & 9.1 | 8.4 & 9.1 |
| Mysql | 5.0 | x | _Deprecated_ |

## Packaging version compatibility

| Distribution | OBM 2.4 | OBM 2.5 | | -------- | -------- | -------- | -------- |
| Debian [Lenny](/content/install-obm-debian) | Yes | [Yes](/node/24) | No | No
| Debian [Squeeze](/content/install-obm-debian) | Yes | [Yes](/wiki/install-obm-debian-squeeze) | [Yes](/wiki/install-obm-debian-squeeze) | No
| Debian [Wheezy](/wiki/install-obm-debian-wheezy) | No | No | [Yes](/wiki/install-obm-debian-wheezy) | [Yes](/wiki/install-obm-debian-wheezy)
| CentOS 5 | [Yes](/wiki/install-obm-centos-5) | Yes | No | No
| [CentOS 6](/wiki/install-obm-241-centos-6) | Yes | [Yes](/content/install-obm-25-centos-6) | [Yes](/content/install-obm-30-centos-6) | [Yes](/content/install-obm-30-centos-6)
| [CentOS 7](/content/install-obm-32-centos-7) | No | No | No | [Yes](/content/install-obm-32-centos-7)

Warning: Since OBM 3, x86 (32 bits) platforms are no more supported.

## Mozilla plugin

| OBM Version | Thunderbird Version |Lightning plugin | obm-connector plugin|
| ------------------- | ----------------------- | ------------------------------- | ----------------------------- |
| 3.x | TB 38+ | Lightning 4 | [obm-connector-4.1.4.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb38/obm-connecto...) |
| 2.5.x or 3.x | TB 31 | Lightning 3.3 | [obm-connector-4.1.2.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb38/obm-connecto...) |
| 2.5.x or 3.x | TB 24 | Lightning 2.6 | [obm-connector-4.1.2.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb38/obm-connecto...) |
| 2.5.x or 3.x | TB 17 | [lightning-1.9.24obm-tb](http://www.obm.org/mozilla-addons/lightning/stable/tb17/) | [obm-connector-3.2.0.15.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb17/obm-connecto...) |
| 2.4.2.x | TB 17 | [lightning-1.9.24obm-tb](http://www.obm.org/mozilla-addons/lightning/stable/tb17/) | [obm-connector-3.2.0.15.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb17/obm-connecto...) |
| 2.4.2.x | TB 10 | [lightning-1.2.3.24obm-tb](http://www.obm.org/mozilla-addons/lightning/stable/tb10/) | [obm-connector-3.2.0.15.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb17/obm-connecto...) |
| 2.4.2.x | TB 3 | [lightning-1.0b2.25obm-tb](http://www.obm.org/mozilla-addons/lightning/stable/tb3/) | [obm-connector-3.2.0.15.xpi](http://www.obm.org/mozilla-addons/obm-connector/stable/tb17/obm-connecto...) |

For older versions, please contact us.Dame