[mrweasel]

Depending on your SSD TRIM may not actually be required anymore. If you're running on a VM it's even less important as the disc is likely to be virtual anyway.

That being said the filesystem certainly is the weakest part of the OpenBSD and given the uptake in filesystem designs with ZFS, Btrfs and Bcachefs it is interesting to see that OpenBSD is left behind.

For a personal mail server, or even small business, it's not really an issue, you're likely not going to have terabytes of email.

[mekster]

It’s not about having tons of files but compression, snapshot and ease of management to cut out any size from a pool.