I am running the "Sync Jobs" tool to migrate emails from an IMAP account to Mailcow, but the messages are getting duplicated. [upl-image-preview url=https://community.mailcow.email/assets/files/2020-05-13/1589408990-735350-captura-de-tela-2020-05-13-as-192927.png] What should I do? ☹

Sync Jobs Duplicating Emails

fstuhlert

I am running the “Sync Jobs” tool to migrate emails from an IMAP account to Mailcow, but the messages are getting duplicated.

What should I do? ☹

diekuh

Check https://imapsync.lamiral.info/FAQ.d/FAQ.Duplicates.txt

fstuhlert

diekuh tks, it’s found:

imapsync … –useheader “Message-Id” –delete2duplicates

Homer-Sim

Iam quite new to mailcow and I tried to add –useheader “Message-Id” –delete2duplicates
as own parameters but I receive errors like bad character space or bad option Id …..

Where do I have to add this options and in which way?

Thanks