Mails downloaded via POP and via the extension do come through with different headers. That doesn't affect the digital signature, since only the body of the mail is signed.
On Jan 7, 3:00 am, Chris Clifton <[email protected]> wrote: > Much the same as my result, I haven't got Google set up as a webmail > account in TB (I use IMAP for what it's worth). My guess is that this is > due to the way the webmail extensions work. Possibly over-simplified, > but in essence, the extension copies text from the web page (it would > have to be a page showing all the header information) then pastes it > into a blank mail and attempts to re-create the original POP mail to > forward on to Thunderbird. The source material that the extension has to > work on isn't the original mail as received by Google (or Hotmail, or > Yahoo...), but a version of it that has already been processed for > display on a web page. > Looking at some mails on Google and Hotmail sites, how do the extensions > preserve Header information when downloading mails to TB? I can't see > anyway on the web sites to display full headers, yet the Hotmail > extension downloads mails with headers intact. Is there some call that > the extension makes to the web site enabling it to access the source > code of emails? If the extension can access the original source code, > then my previous thoughts about how the extensions work may be > completely wrong. > > > > alanrf wrote: > > I too just ran a simple test of (what I believe to be) this concern to > > a GMail account. > > > I sent a message from a simple POP/SMTP account ... ie the message was > > *not* sent through the Webmail add-ons. > > > The message was of two lines of text and the second (and final) line > > consisted of a string of 7 period (".") characters. > > > The message was sent out as multipart/alternative format (that means > > as both text and html ... to be displayed according to the wish of the > > receiver). > > > The message was received in Thunderbird on the same account in 2 > > ways. The account is received in regular POP format from GMail > > directly and also received from the account by the GMail add-on. > > > In the message received through the standard POP connection both the > > multipart/alternative versions of the message contained 7 period > > characters in the final line. > > > In the message received through the GMail add-on connection both the > > multipart/alternative versions of the message contained 6 period > > characters in the final line. > > > On Jan 7, 12:20 am, Chris Clifton <[email protected]> wrote: > > >> Just tried that with my own account, 7 .s sent, 7 displayed. I still > >> suspect that the problem may be due to the fact that the extension > >> "reads" the email on the website, converts it back to a POP format email > >> and finally acts as as POP server to send the message to TB. Plenty of > >> scope in that process for unintentional alteration of some trivial > >> nature, but enough to cause a digital signature to fail. > > --
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