[SOLVED] Image turn into blank gif 1x1 px

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Joined: 13 May 2019 18:59

[SOLVED] Image turn into blank gif 1x1 px

Post by brunok » 30 Jan 2020 17:39


I encountered a problem with receiving responsive mail marketing.
Some images load and disappear quickly, becoming the blank 1x1 px gif.

Has anyone had this problem?

My MTA is a ZIMBRA, behind EFA.

EDIT1: Found in source message: "WEB BUG FROM".

This is issue!
How to bypass domain from WEB BUG (without allow ALL)?

EDIT2: Created a rule from file that allow some domains and disarm the rest.
Last edited by brunok on 30 Jan 2020 19:42, edited 1 time in total.

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