How much does split-domain save you?
1 · What you have now
Current email platform
Microsoft 365 Basic ($7)
Microsoft 365 Standard ($14)
Microsoft 365 Premium ($22)
Google Workspace Starter ($7)
Google Workspace Standard ($14)
Google Workspace Plus ($22)
Total mailboxes
2 · The split
Keep on M365 / Google
20
3 · Storage per mailbox
POP3 / minimal (0.5 GB each)
Light IMAP (1 GB each)
Standard IMAP (2 GB each)
Large mailboxes (5 GB each)
180 × 0.5 GB = 90 GB → 100 GB
You save
$2,435
/ mo
$29,220
/ year ·
87%
off
One StrataMail VPS · unlimited mailboxes
$85/mo
2 vCPU
cpu
8 GB
ram
100 GB
storage
A dedicated server may fit better at this size.
Now: everyone on a full seat
$2,800/mo
Hybrid: power seats + one VPS
$365/mo
Disclaimer:
covers StrataMail VPS infrastructure only. Premium spam filtering (SpamWeeder, VIPRE, Proofpoint) is a separate per-mailbox add-on, not included above.
Get an exact quote for your setup
Sizing based on published StrataMail VPS resource pricing. Final configuration confirmed during scoping.