Hello,
I haven't been able to send emails in gmail for a few months using zimbra as the sender. It accuses error and I already tried all ports, I contacted google and they sent me to check the zimbra SMTP. But so far I haven't been able to solve it, could you help me?
I have this message "Couldn't reach server. Please double-check the server and port number."
Authentication Bypass in MailboxImportServlet vulnerability (reminder)
https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/
https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/
Gmail SMTP problem
Re: Gmail SMTP problem
if that SMTP server name is correct then it would appear to have no DNS records:
The message appears to be telling you to send mail through this server:
dig demec.ufmg.br MX
; <<>> DiG 9.11.2 <<>> demec.ufmg.br MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21925
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;demec.ufmg.br. IN MX
;; ANSWER SECTION:
demec.ufmg.br. 86400 IN MX 10 zmtaentrada.eng.ufmg.br.
demec.ufmg.br. 86400 IN MX 90 mail.ufmg.br.
;; Query time: 225 msec
;; SERVER: 192.168.1.220#53(192.168.1.220)
;; WHEN: Fri Jul 03 17:19:42 CEST 2020
Code: Select all
dig zmlaentrada.eng.ufmg.br MX
; <<>> DiG 9.11.2 <<>> zmlaentrada.eng.ufmg.br MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21728
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;zmlaentrada.eng.ufmg.br. IN MX
;; AUTHORITY SECTION:
eng.ufmg.br. 3492 IN SOA ns1.eng.ufmg.br. rede.eng.ufmg.br. 2020062508 10800 900 604800 43200
;; Query time: 0 msec
;; SERVER: 192.168.1.220#53(192.168.1.220)
;; WHEN: Fri Jul 03 17:18:09 CEST 2020
;; MSG SIZE rcvd: 97
The message appears to be telling you to send mail through this server:
dig demec.ufmg.br MX
; <<>> DiG 9.11.2 <<>> demec.ufmg.br MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21925
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;demec.ufmg.br. IN MX
;; ANSWER SECTION:
demec.ufmg.br. 86400 IN MX 10 zmtaentrada.eng.ufmg.br.
demec.ufmg.br. 86400 IN MX 90 mail.ufmg.br.
;; Query time: 225 msec
;; SERVER: 192.168.1.220#53(192.168.1.220)
;; WHEN: Fri Jul 03 17:19:42 CEST 2020
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