Amazon SES randomly unable to reconnect

fabprog

Member
I'm sending through Amazon SES using MBM ver. 8.4.6.
The problem is MBM is randomly unable to reconnect for a new session after a group session has ended. This is the connection log when it fails:

...
[01] 1/13 19:29:34 535 Authentication Credentials Invalid
[01] 1/13 19:29:34 ~ Fatal error, giving up!
[00] 1/13 19:29:34 ~ [-]
[00] 1/13 19:29:34 ~ Closing all streams
[00] 1/13 19:29:34 ~ Creating report...
...

I've tried sending with several different parameter configurations:
connections: 1
security: TLS v1
email per group: 1, 5, 10, 15, 50, 100
interval: 0, 1, 5, 15, 30 seconds
I've played with some different settings but no way.
Are there any suggested settings I should use with Amazon SES?
Other fixes?
(by the way, what the difference between TLSv1 and TLSv1 Exp?)
 
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