You can see the addon/extension that are used to, for accessing 'Mail''.''com', outlook/hotmail, gmail, yahoo, etc.Īlso see Protonmail doc/support info,, you may need their 'Bridge' app. Not sure about their SMTP mail-server for paid account.

com as IMAP mail-server name/address, & secure/encrypted port is 993, and 'SSL/TLS' encryption.

Protonmail PAID account holders can use mail. Then inside TB's mail-account (for 'free' protonmal account), you will have to specify 127.0.0.1 as IMAP mail-server name/address, and specify same 127.0.0.1 as SMTP mail-server name/address, and select port 1143 for IMAP mail-server, & select port 1025 for SMTP mail-server.

That app will create+allow to use two local mail access ports (let us assume: port 1143 for IMAP, port 1025 for for SMTP). com', outlook/hotmail, gmail, yahoo, etc.Īlso see Protonmail doc/support info, here, you may need their 'Bridge' app. You can see the addon/extension that are used to Access Webmail Sites Via Web-Browser-Tab Inside Thunderbird, for accessing 'Mail. WMSP (webmail) based (free) email account can be accessed over HTTPS based web-browser-tab inside TB email-client. When/if you 1st opened paid account then they have sent an email with mail-server name/address info, use mail-server from that.

I think, protonmail IMAP/POP mail-server service is for paid type account. If your account is free type, then TB as IMAP/POP email-client, cannot get/send email. Protonmail is a WMSP (webmail service provider). I'm note sure, but i think, protonmail does not have mail-server service for free account.

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