Operational Defect Database
BugZero found this defect 2397 days ago.
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WatchGuard Technologies | kA10H000000g3cBSAQ
SMTP proxy intermittently fails to deliver email when TLS encryption is enabled
Last update date:
10/26/2017
Affected products:
Firebox M200
Firebox M300
Firebox M270
Firebox M370
Firebox M470
Firebox M570
Firebox M670
Firebox M290
Firebox M390
Firebox M400
Firebox M500
Firebox M440
Affected releases:
All
Fireware
12.x
12.0.x
Fixed releases:
All
Description:
Issue
If you have TLS encryption enabled in the SMTP proxy, email delivery through the proxy may sometimes fail. If this issue occurs, you may see a log message that looks like this: fatal write error (errno=0: none | sslerr=XXXXXXXXX: error:XXXXXXXX:SSL routines:ssl3_write_pending:bad write retry). aborting channel. Debug
Workaround/Solution
This issue does not occur if you disable TLS encryption in the SMTP proxy. For full instructions, see SMTP-Proxy: TLS Encryption.
