How to access Webmail from Mozilla Thunderbird in Plesk
To access webmail from Mozilla Thunderbird, perform the following steps:
1 – Open Mozilla Thunderbird.
2 – Click Email under the Create a new account heading.
3 – Click the Skip this and use my existing email button.
4 – Specify your setting
5 – Click Done.
NOTE: The instructions provided in this section were verified against Mozilla Thunderbird 31.4.0. They might not work with earlier or later versions of Mozilla Thunderbird.