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Add List-Unsubscribe header for emails

  • Anton Kartashev shared this idea 8 years ago
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  • 2 Comments


29 Votes
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Add List-Unsubscribe header for WHMCS mail system, like this

$x->AddCustomHeader("List-Unsubscribe: <{$unsubscribe_url}>");
some mail service (google, etc) checking for this header.

2 Comments

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prolateral commented 3 weeks ago
Yahoo now list this as a *requirement* for bulk senders.
https://senders.yahooinc.com/best-practices/
raamee commented 21st July 16
The List-Unsubscribe header is an optional chunk of text that email
publishers and marketers can include in the header portion of the
messages they send. Recipients don't see the header itself, they see an
Unsubscribe button they can click if they would like to automatically
stop future messages.

Refer - http://www.list-unsubscribe.com/

It is very important nowadays and used by many ISP's and big email providers.

Would like to see this header added in WHMCS.