Unable to receive emails from some external senders after upgrading to SMG 10.x from 9.5.4

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Article ID: 157394

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Updated On:

Products

Messaging Gateway

Issue/Introduction

Customer has performed an upgrade on Symantec Messaging Gateway from version 9.5.4 to 10.0.x and is unable to receive email messages from some external senders. However, customer is able to receive email messages from the same senders when they use SMG 9.5.4.

After EHLO command, the following error appears in the packet capture.

421 4.4.2 service timed out.

Cause

Extra space in 'size' attribute inside EHLO response causing failure with qmail.

'250-SIZE  ########' has two spaces between 'SIZE' and the number value.

Resolution

Upgrade to SMG v10.0.2 which addressed the issue.


Applies To

  • SMG 10.0.0
  • SMG 10.0.1

Attachments

smgapp1001_p237_mta_x86_linux.gz get_app