Delivery incomplete
There was a temporary problem delivering your message to kovacpol7@gmail.com.
Delivery will be retried. You’ll be notified if the delivery fails permanently.
Technical details of the failure:
450-4.2.1 The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. Please resend your message at a later time. If the user is able to receive mail at that time, your message will be delivered. For more information, go to support.google.com/mail/?p=ReceivingRate 38308e7fff4ca-3340a63d7eesi18305761fa.595 – gsmtp

Delivery incomplete
There was a temporary problem delivering your message to kovacpol7@gmail.com.
Delivery will be retried. You’ll be notified if the delivery fails permanently.
Technical details of the failure:
450-4.2.1 The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. Please resend your message at a later time. If the user is able to receive mail at that time, your message will be delivered. For more information, go to support.google.com/mail/?p=ReceivingRate 38308e7fff4ca-3340a5d5e11si18026851fa.300 – gsmtp

Delivery incomplete
There was a temporary problem delivering your message to kovacpol7@gmail.com.
Delivery will be retried. You’ll be notified if the delivery fails permanently.
Technical details of the failure:
450-4.2.1 The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. Please resend your message at a later time. If the user is able to receive mail at that time, your message will be delivered. For more information, go to support.google.com/mail/?p=ReceivingRate 2adb3069b0e04-55cef3a954esi1951143e87.291 – gsmtp

Delivery incomplete
There was a temporary problem delivering your message to kovacpol7@gmail.com.
Delivery will be retried. You’ll be notified if the delivery fails permanently.
Technical details of the failure:
450-4.2.1 The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. Please resend your message at a later time. If the user is able to receive mail at that time, your message will be delivered. For more information, go to support.google.com/mail/?p=ReceivingRate 38308e7fff4ca-3340a41d5absi18152041fa.77 – gsmtp

Delivery to the following recipient failed permanently: kovacpol7@gmail.com
Technical details of permanent failure:
550-5.7.26 Your email has been blocked because the sender is unauthenticated. Gmail requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = did not pass SPF [vejbyif.dk] with ip: [46.183.139.175] = did not pass For instructions on setting up authentication, go to support.google.com/mail/answer/81126#authentication 2adb3069b0e04-55cef2fe536si1931610e87.120 – gsmtp

Delivery to the following recipient failed permanently: kovacpol7@gmail.com
Technical details of permanent failure:
550-5.7.26 Your email has been blocked because the sender is unauthenticated. Gmail requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = did not pass SPF [vejbyif.dk] with ip: [46.183.139.179] = did not pass For instructions on setting up authentication, go to support.google.com/mail/answer/81126#authentication 38308e7fff4ca-3340a5d4754si17879921fa.277 – gsmtp