Emails will not be deliverd to domains ending in .uk, .de or .us
Email will not send to addresses using some domains like .uk, .de or .us. For example:
This behavior can be addressed by editing the WA_Universal_Email/MailFormatting_PHP.php file.
The Known Domains list is at line 24:
$knownDomsPat = "/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/";
any domains that are not included in this list can be added by adding a pipe character followed by the domain, for example:
$knownDomsPat = "/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|uk|de|us)$/";