Top Deliverability’s Blog
WttW: Don’t trust Gmail’s Show Original
- January 17, 2024
- Posted by: Top Deliverability
- Category: Industry News Word to the Wise
Word to the Wise just released a insightful post:
It’s not always easy to know what the actual headers and body of an email as sent look like. For a long time accepted wisdom was that you could send a copy to your gmail account, and use the Show Original menu option to, well, see the original message as raw text. It turns out that’s not actually something you can trust. I used swaks to send a test message with an extra header to my gmail account. swaks –to wttwsteve@gmail.com –from steve@blighty.com –add-header “List-Unsubscribe: =?us-ascii?Q?=3Cmailto=3Asteve=40blighty.com=3e?=” Code language: JavaScript ( javascript ) We can see swaks sending it: -> DATA Date: Wed, 17 Jan 2024 08:49 :59 -0800 -> To: wttwsteve @gmail.com -> From: steve@blighty.com -> Subject: test Wed, 17 Jan 2024 08:49:59 -0800 -> X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/ -> List-Unsubscribe: =?us-ascii?Q?=3Cmailto=3Asteve=40blighty.com=3e?= -> Code language: CSS ( css ) But when we then go to gmail and click on Show
Read more from the original source: Don’t trust Gmail’s Show Original
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