SMTP issue with 421 code
Piotr Wycichowski
10-17-24
Operating system: macOS
Hi,

What means such infos in detailed hansa.log file form Email Gateway folder:

SMTP failed with code 421: Network error sending: RSET
SMTP TLS failed async: 1 ssl: 1 state: 7
SMTP Logon command failed with code 421
Network error sending: RSET

/Piotr W.
Leave Comment
You can subscribe to notifications for this post by selecting the 'star' icon on the top right corner of the post.
Latest Posts
Hi there, Server – tried both Windows Server 2022 and Linux Version - 2025-08-11 and 2026-05-25 We were testing a new version (2025-08-11) with a Halcust that we had migrated from the existing ...
10:11 4 Aug 2026
Kevin Stepper
Hi, years ago we used to have the email and conference module. Did not need it so we dropped it. We hav recently implemented global users, which are all named users and therefor seem to need a m...
18:07 3 Aug 2026