MailWeaver Postbox Mock
SendEmail endpoint:
POST /v2/email/outbound-emails
Status
Presets
Manual failure
Queue & patterns
Mailbox
Events
API
All
Queue
Clear queue
HTTP status
Error type
Count
Label
Provider response message
Queued Postbox failure
Only recipient address
Only recipient domain
Only sender
Email/subject regex
Add to queue
Queue is empty
Patterns
Clear patterns
HTTP status
Error type
First attempt
Every N attempts
Count (0 = infinite)
Label
Provider response message
Patterned Postbox failure
Only recipient address
Only recipient domain
Only sender
Email/subject regex
Add pattern
No patterns
Log
1
2026-10-12T09:55:15.555Z
-
start
: Postbox mock listening on http://0.0.0.0:3000; SendEmail /v2/email/outbound-emails