Title: “Fatal Error” X|
Last modified: March 23, 2019

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# “Fatal Error” X|

 *  Anonymous User 16881303
 * (@anonymized-16881303)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-x/)
 * When I try to activate the plugin a popup appears saying it can’t be activated.
   
   Actually the best newsletter plugins are TheNewsletterPlugin and Mailpoet. Hope
   to see Mailpress join the crew soon!
 * _Teo_
 * (3 stars of encouragement)

Viewing 1 replies (of 1 total)

 *  Plugin Author [arena](https://wordpress.org/support/users/arena/)
 * (@arena)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-x/#post-11448008)
 * There are some system requirements to use MailPress :
    * php7, * php extensions
   simplexml & intl, * php function proc_open (some webhost do not support it) )
   and is the only one that is totally free (no freemium/premium or pro extensions)

Viewing 1 replies (of 1 total)

The topic ‘“Fatal Error” X|’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [arena](https://wordpress.org/support/users/arena/)
 * Last activity: [7 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-x/#post-11448008)