Notes on mail clients

Sylpheed

• uses MH mailfile format. It can import / export mbox format.
• different views: folder tree, message view
• sort messages by different attributes
• drag messages
• search all messages by From, To, Subject and body.
• few different encodings supported (western Europe, Japanese)
• address book (after choosing many, it is hard to see all, because they are all placed on one long line)
• can use sendmail client or SMTP to send
• can do POP3
• SSL for POP3
• SSL and STARTTLS for SMTP
• GNUPG or manually signed, can automatically check
• signatures
• SMTP AUTH
• very customizable
• user defined headers
• can select auto pop3 before sending
• multiple accounts with different configs (and easily choose From address when sending)
• configurable quoting and reply formats
• choose text fonts and highlighting colors for viewing
• filtering (with regex)
• templates for composing
• based on GTK+ (gimp toolkit user interface)
• can import address books