[FFmpeg-user] Missing emails as cause of domain relocation

[Ulf Zibis]

Am 04.09.23 um 14:59 schrieb Reindl Harald:
>>> Am 04.09.23 um 14:35 schrieb Ulf Zibis:
>>>> because of a domain relocation, my email was not reachable from 2023-09-01 13:54 UTC to 2023-09-04 11:38 UTC.
>
> because it takes time?
>
> the interval of retries increases as it makes no sense trying every 5 minuts

OK, so I can hope until 2023-09-04 13:54 UTC for a last retry ?

> for one moron which don't manage a server relocation
The moron, who made a typo on the dns records, was the webhosting provider, and on weekend he was not reachable.

> seriously - the expected downtime is seconds to minutes when properly planned even for thousands of accounts
>
> * new system online
> * DNS TTL down to 5 minutes
> * imapsync
this took 16 hours, so little more than 5 minutes
> * take down the MTA on both sides
What is MTA?
> * change dns record
> * final imapsync
> * start MTA
> * done

And thanks for the recipe ... for the next time.

-Ulf