451 Requested action aborted: local error in processing

Meaning

The server encountered a local error.

Common causes

• Server crash.
• Filter error.

How to fix

1. Retry later.

Example bounce

451 Requested action aborted: local error in processing

Related codes

• 451 4.3.0 Temporary mail server error
• 451 4.4.7 Message expired
• 421 4.3.0 Temporary system problem