On Mon, Mar 13, 2023 at 11:16:26AM +1300, DL Neil via Postfix-users wrote:
> Which setting will extend the amount of time allowed for Thunderbird to
> connect to send and/or receive messages from Postfix?
Postfix is not involved in MUA access to read mail, that's your IMAP
server, Dovecot or Cyrus are the most popular options. Only *sending*
of mail involves the Postfix submission service.
> Brother-in-law is on a very slow connection to the family's server.
> Long-ish wi-fi link to the router, through Starlink satellite system,
> and (literally) from one side of the world to the other, to the VPS.
>
> Thunderbird regularly fails to sync before timing-out.
"Sync" of email is likely IMAP.
> Which setting should be extended? Should more than one time-out value
> be expanded? What are the risks associated with increasing such
> time-outs?
Postfix timeouts for mail submission are quite generous, even for users
half-the-world away. You shouldn't need to change any of the timeouts.
--
Viktor.
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