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Remote POP3/IMAP server as MX backup

Posted: Sat May 20, 2017 2:10 pm
by Messiah
Hello,

Is there any ready solution to use external POP3/IMAP mail box as a MX backup server?
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Now I'm looking for a solution to take all those mail from secondary mail server via POP3/IMAP and save it locally according to local mail server config, i.e. into /home/admin/mail/domain.com/[maillogin]/cur/[long-file-name] to be accessible using local dovecot or webmail.
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What is the meaning of the parts of the long file name in the mail directory?
First part looks like timestamp, next is starting with H and big number of digits, then the local server hostname, the last block is :2,RS. I see I can use any random name in the similar format, only timestamp is necessary?

Thanks

[SOLVED using fetchmail]