Hi
- Since few weeks, we experience sometimes "Internal Server Error"
Sophos send an NDLR to the sender :
- Sophos XG Firewall was unable to send the following mail:
Some text
XXX@XX.COM - Internal Server Error
How can we debug this to understand the source of the problem ?
- What we can see in awarrensmtp.log logs :
ERROR Nov 13 13:52:47 [0x2016b987]: SER.io_handler = NULL, means read event not expected from this fd
ERROR Nov 13 13:52:47 [0x2016b987]: SER.io_handler = NULL, means read event not expected from this fd
MESSAGE Nov 13 13:52:48 [3741346624]: Notification generated for Mail sending failure: Recipient bla@bla.com, Mail server IP:25
MESSAGE Nov 13 13:52:48 [3742395200]: forward_mail(): Sending Notification to 'bla@bla.com' on 'IP:25' (ipv6: '0')
- Information about Sophos XG :
SFOS 17.5.8 MR-8
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