I am very impressed with your helpfulness. Unfortunately the search
program Remove Duplicate Messages doesn't work with my configuration,
neither with Seamonkey nor with Thunderbird. Finding the cause won't be
easy, since I use 3 Windows and 3 Linux systems each. Many thanks for
the corresponding hints.
I use pop3 but I can't exclude that I already experimented with IMAP on
a computer. Maybe I will follow the advice to delete the mails manually,
but with 4000 mails a lot of work.
Klaus
Translated with www.DeepL.com/Translator
mozilla-lists.mbou...@spamgourmet.com schrieb:
Klaus Weber wrote on 22/11/2019 2:18 AM:
Yes, I have a lot of two copies of one email in the 'Sent' folder.
Klaus
Is your 'Sent' folder on an IMAP server?
If so, it might be that both SeaMonkey and your mail provider are both
storing a copy of emails you send there. If SeaMonkey is configured
to store a copy there (under Mail & Newsgroup Account Settings), it
would do so when you send an email from SeaMonkey. Some mail
providers put a copy of emails you send via their outgoing (SMTP)
server in a 'Sent' folder. So if both are storing a copy in the same
folder on an IMAP server, you'd end up with two copies of every email
you send from SeaMonkey Mail via their outgoing server.
You could disable SeaMonkey storing a copy for that account, and just
rely on your mail provider saving emails you send in your 'Sent'
folder. But then you might not get a copy saved if for any reason you
send an email via a different outgoing server (may not be a concern if
you never do that). You'd also be relying on your mail provider
continuing to store a copy - if they stop doing it, you wouldn't get
copies saved until you notice and re-enable SeaMonkey storing them.
Your mail provider might also provide an option to disable saving a
copy from their side. But then you might not get a copy saved if you
use webmail or a different mail client (again, may not be a concern if
you never do that).
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