This is the mail system at host mailout-taastrup.gigahost.dk.
I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<alka-69@mail.ru>: host mxs.mail.ru[217.69.139.150] said: 550 spam message rejected. Please visit help.mail.ru/notspam-support/id?c=clN2o_Yz744t8E86ijPhHviDdemyJDJvBOiPJah130gYZ_SnN3prjCgAAAALdAEAF-cEAw~~ or report details to abuse@corp.mail.ru. Error code: A37653728EEF33F63A4FF02D1EE1338AE97583F86F3224B2258FE80448DF75A8A7F467188C6B7A37. ID: 000000280001740B0304E717. (in reply to end of DATA command)

This is the mail system at host mailout-taastrup.gigahost.dk.
I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<sno177@mail.ru>: host mxs.mail.ru[94.100.180.31] said: 550 spam message rejected. Please visit help.mail.ru/notspam-support/id?c=k0Kp2HEyncfqb-AlS3A18viDdemyJDJvdOUHrQEH5aBjLxCvG-FjARUAAABT3AEArdNdKg~~ or report details to abuse@corp.mail.ru. Error code: D8A94293C79D327125E06FEAF235704BE97583F86F3224B2AD07E574A0E50701AF102F630163E11B. ID: 000000150001DC532A5DD3AD. (in reply to end of DATA command)

Delivery to the following recipient failed permanently: buinov.s@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: [46.183.139.176] = did not pass For instructions on setting up authentication, go to support.google.com/mail/answer/81126#authentication 38308e7fff4ca-32b980f1110si34283741fa.479 – gsmtp

This is the mail system at host mailout-taastrup.gigahost.dk.
I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<sensenya@bk.ru>: host mxs.mail.ru[94.100.180.31] said: 550 spam message rejected. Please visit help.mail.ru/notspam-support/id?c=B_UxiBdIfbuAjKvBbqzLjPiDdemyJDJvWinDGsQDUd1jLxCvG-FjASUAAAAadQEAEObjFg~~ or report details to abuse@corp.mail.ru. Error code: 8831F507BB7D4817C1AB8C808CCBAC6EE97583F86F3224B21AC3295ADD5103C4AF102F630163E11B. ID: 000000250001751A16E3E610. (in reply to end of DATA command)

This is the mail system at host mailout-taastrup.gigahost.dk.
I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<nata55589@mail.ru>: host mxs.mail.ru[94.100.180.31] said: 550 spam message rejected. Please visit help.mail.ru/notspam-support/id?c=492kXe0dKYRCxbmZ58vtTfiDdemyJDJvWinDGsQDUd1jLxCvG-FjASgAAAALdAEA5fbSAg~~ or report details to abuse@corp.mail.ru. Error code: 5DA4DDE384291DED99B9C5424DEDCBE7E97583F86F3224B21AC3295ADD5103C4AF102F630163E11B. ID: 000000280001740B02D2F6E5. (in reply to end of DATA command)

This is the mail system at host mailout-taastrup.gigahost.dk.
I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<abc03101970@mail.ru>: host mxs.mail.ru[217.69.139.150] said: 550 Message was not accepted — invalid mailbox. Local mailbox abc03101970@mail.ru is unavailable: user not found (in reply to end of DATA command)