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The mail system
<info(a)brand-acad.de>: Host or domain name not found. Name service error for
name=brand-acad.de type=AAAA: Host not found
<georg.hellmann(a)akkon-hochschule.de>: host mx2.johanniter.de[87.190.39.211]
said: 550 #5.1.0 Address rejected. (in reply to RCPT TO command)
<info(a)hochschule-calw.de>: host mail3.srh.de[85.115.20.189] said: 554 5.7.1
Access denied (in reply to RCPT TO command)
<rektor(a)hs-hatz.de>: Host or domain name not found. Name service error for
name=hs-hatz.de type=AAAA: Host not found
<julian.bomert(a)duw-berlin.de>: host w014c3c8.kasserver.com[85.13.128.194] said:
554 5.7.1 <julian.bomert(a)duw-berlin.de>: Relay access denied (in reply to
RCPT TO command)
<wolfgang.schuster(a)hwtk.de>: host
hwtk-de.mail.protection.outlook.com[104.47.11.10] said: 550 5.4.1 Recipient
address rejected: Access denied. AS(201806281)
[
VI1EUR02FT019.eop-EUR02.prod.protection.outlook.com
2023-06-12T18:30:08.303Z 08DB6B034C3DB783] (in reply to RCPT TO command)
<martin.reckenfelderbaeumer(a)allensbach-hochschule.de>: host
post.allensbach-hochschule.de[85.209.203.4] said: 550 5.1.1
<martin.reckenfelderbaeumer(a)allensbach-hochschule.de>: Recipient address
rejected: User unknown in virtual mailbox table (in reply to RCPT TO
command)
<martin.fritz(a)merz-akademie.de>: host
merzakademie-de01b.mail.protection.outlook.com[104.47.51.138] said: 550
5.4.1 Recipient address rejected: Access denied. AS(201806281)
[
DBAEUR03FT033.eop-EUR03.prod.protection.outlook.com
2023-06-12T18:30:08.644Z 08DB6B0A822A8E85] (in reply to RCPT TO command)
<physiksprecher(a)physik.rwth-aachen.de>: host
mx1.rz.rwth-aachen.de[137.226.78.57] said: 550 #5.1.0 Address rejected. (in
reply to RCPT TO command)
<w.hahn(a)praxishochschule.de>: host
praxishochschule-de.mail.protection.outlook.com[104.47.51.138] said: 550
5.4.1 Recipient address rejected: Access denied. AS(201806281)
[
DBAEUR03FT051.eop-EUR03.prod.protection.outlook.com
2023-06-12T18:30:11.286Z 08DB6AFAA62C17D5] (in reply to RCPT TO command)
<eva.schwinghammer(a)provadis-hochschule.de>: host
provadishochschule-de02b.mail.protection.outlook.com[104.47.13.36] said:
550 5.4.1 Recipient address rejected: Access denied. AS(201806281)
[
HE1EUR04FT012.eop-eur04.prod.protection.outlook.com
2023-06-12T18:30:11.736Z 08DB6A6887CEEC0D] (in reply to RCPT TO command)
<rektor(a)htwsaar.de>: host m-relay.htw-saarland.de[134.96.7.233] said: 550 5.1.1
<rektor(a)htwsaar.de>: Recipient address rejected: undeliverable address:
Recipient address lookup failed (in reply to RCPT TO command)
<afeld(a)uni-postdam.de>: Host or domain name not found. Name service error for
name=uni-postdam.de type=AAAA: Host found but no data record of requested
type
<karbach(a)uni-wupperatl.de>: Host or domain name not found. Name service error
for name=uni-wupperatl.de type=AAAA: Host not found
<Rektor(a)fh-stralsund.de>: host b1871.mx.srv.dfn.de[194.95.234.132] said: 550
5.1.1 <Rektor(a)fh-stralsund.de>: Recipient address rejected: undeliverable
address: host mx.fh-stralsund.de[194.94.72.35] said: 550 5.1.1
<Rektor(a)fh-stralsund.de>: Recipient address rejected: User unknown in
virtual mailbox table (in reply to RCPT TO command) (in reply to RCPT TO
command)
<insa.sjurts(a)zu.de>: host zu-de.mail.protection.outlook.com[104.47.51.202]
said: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281)
[
AM7EUR03FT043.eop-EUR03.prod.protection.outlook.com
2023-06-12T18:30:16.962Z 08DB6B21F7D65B3A] (in reply to RCPT TO command)
<jan.wierig(a)ovgu.de>: host c2501.mx.srv.dfn.de[194.95.239.9] said: 550 5.1.1
<jan.wierig(a)ovgu.de>: Recipient address rejected: undeliverable address:
host mx4.ovgu.de[141.44.1.70] said: 550 5.1.1 <jan.wierig(a)ovgu.de>:
Recipient address rejected: User unknown in virtual alias table (in reply
to RCPT TO command) (in reply to RCPT TO command)
<praesidentin(a)uni-koblenz-landau.de>: host nsmtp.uni-koblenz.de[141.26.64.10]
said: 550 5.1.1 <praesidentin(a)uni-koblenz-landau.de>: Recipient address
rejected: User unknown in virtual alias table (in reply to RCPT TO command)
<juerge.deicke(a)wb-fernstudium.de>: host mail.sgd.de[213.157.13.165] said: 550
Address unknown (in reply to RCPT TO command)
<Eric.Runge(a)TU-Ilmenau.de>: host a2221.mx.srv.dfn.de[194.95.232.182] said: 550
5.1.1 <Eric.Runge(a)TU-Ilmenau.de>: Recipient address rejected: undeliverable
address: host mail.tu-ilmenau.de[141.24.4.8] said: 550 5.1.1
<Eric.Runge(a)TU-Ilmenau.de>: Recipient address rejected: User unknown in
relay recipient table (in reply to RCPT TO command) (in reply to RCPT TO
command)
<praesident(a)uni-vechta.de>: host a1181.mx.srv.dfn.de[194.95.232.54] said: 550
5.1.1 <praesident(a)uni-vechta.de>: Recipient address rejected: undeliverable
address: host smtpss.uni-vechta.de[131.173.80.250] said: 550 5.1.1 0
RESOLVER.ADR.RecipientNotFound; Recipient not found by SMTP address lookup
(in reply to RCPT TO command) (in reply to RCPT TO command)
<katja.rade(a)srh.de>: host mx-74021879.mail.eu.retarus.com[94.199.92.130] said:
550 5.2.0 mailbox unavailable. (in reply to RCPT TO command)