Deprecated: Return type of SendGrid\ReplyTo::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 35

Deprecated: Return type of SendGrid\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 71

Deprecated: Return type of SendGrid\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 108

Deprecated: Return type of SendGrid\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 167

Deprecated: Return type of SendGrid\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 250

Deprecated: Return type of SendGrid\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 313

Deprecated: Return type of SendGrid\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 352

Deprecated: Return type of SendGrid\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 378

Deprecated: Return type of SendGrid\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 425

Deprecated: Return type of SendGrid\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 451

Deprecated: Return type of SendGrid\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 498

Deprecated: Return type of SendGrid\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 569

Deprecated: Return type of SendGrid\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 609

Deprecated: Return type of SendGrid\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 679

Deprecated: Return type of SendGrid\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 725

Deprecated: Return type of SendGrid\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 828

Deprecated: Return type of SendGrid\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 877

Deprecated: Return type of SendGrid\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/yezzer.nl/httpdocs/_classes/sendgrid-php/lib/helpers/mail/Mail.php on line 1101