Here are some more details. If I send myself a message, and the message has in it a line with just periods (at least two), the Webmail Extension (GMail) will load the message missing one period.
This happens even if there is no signature on the message. The signature was just the way that I detected this problem. On Jan 6, 8:53 pm, Gil <[email protected]> wrote: > I have diagnosed to this to where maybe it can be debugged. > > The email in question includes one line with the following > text: ....... > > That is, my correspondent wrote a line with 7 periods in it. > > When I download the message using a POP server, the line comes through > with the 7 periods, and the signature is just fine. > > When I download the message using the Webmail extension, the line > comes through with only 6 periods. The Webmail extension loses one of > the periods somehow. > > Because the Webmail extension has essentially tampered with the body > of the message (by removing a period), Thunderbird detects that fact > (because the signature is wrong) and reports that to me. > > On Jan 6, 6:32 pm, Gil <[email protected]> wrote: > > > The sender was using Thunderbird, sending mail through their ISP's > > SMTP server. Hotmail was not involved. > > > When I got home, I downloaded the message using Thunderbird and > > GMail's POP server. The digital signature is just fine when I > > download it that way. > > > Thunderbird reports the signature as invalid only if I download the > > message using the Webmail extension. It may be that the extension is > > modifying the message in some trivial way (e.g., deleting a trailing > > space) that renders the signature invalid. > > > On Jan 6, 3:00 pm, KE4AVB <[email protected]> wrote: > > > > Gil, > > > > Your sender would not happen be use of the free Hotmail service would > > > they? I have had problems sending signed and/or encrypted messages > > > through their service. They are opening and adding Hotmail taglines to > > > the messages sent thought their service thus invaliding the signatures > > > and encryptions. The same problem could be happening to other service > > > providers depending how they operate. The Hotmail problem occurs if I > > > use the online webmail or not. > > > > Eugene > > > > On Jan 6, 3:45 pm, Gil <[email protected]> wrote: > > > > > Should the Webmail extension (with GMail - actually GAFYD) play nice > > > > with S/MIME and digital signatures? > > > > > I have received some signed emails using the Webmail extension, and > > > > Thunderbird is telling me that the signature is not valid (message has > > > > been modified). > > > > > Other recipients of the same message report no problem with the > > > > signature - they do not use the Webmail extension but just basic POP. > > > > > I can't try the same, as I am behind a corporate firewall and cannot > > > > use POP. > > > > > It does seems that I am able to receive some emails via the Webmail > > > > extension with valid signatures. Only one sender seems to be affected > > > > so far. It may be that senders using plaintext for their messages are > > > > not affected, but those who compose using HTML may have their messages > > > > corrupted (by the Webmail extension?). > > > > > I am using: > > > > - TB 2.0.0.23 > > > > - WebMail 1.3.5 > > > > - WebMail - GMail 0.6.5b1
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