Hello,

This document is current as of: 08/03/2020 DMY.

$ nmap -T4 -A -v mail.wagecuck.club

PORT    STATE SERVICE   VERSION
22/tcp  open  ssh       OpenSSH 7.9p1 Debian 10+deb10u1 (protocol 2.0)
25/tcp  open  ssl/smtp  Postfix smtpd
80/tcp  open  http      nginx
110/tcp open  pop3      Dovecot pop3d
143/tcp open  imap      Dovecot imapd
443/tcp open  ssl/https nginx
465/tcp open  ssl/smtp  Postfix smtpd
587/tcp open  ssl/smtp  Postfix smtpd
993/tcp open  ssl/imap  Dovecot imapd
995/tcp open  ssl/pop3  Dovecot pop3d

$ nmap -p 465,587,993,995 -T4 -A -v --script ssl-enum-ciphers mail.wagecuck.club

PORT    STATE SERVICE   VERSION
465/tcp open  ssl/smtp  Postfix smtpd
| ssl-enum-ciphers: 
|   TLSv1.2: 
|     ciphers: 
|       TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (dh 2048) - A
|       TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (dh 2048) - A
|       TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (ecdh_x25519) - A
|       TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (ecdh_x25519) - A
|     compressors: 
|       NULL
|     cipher preference: server
|_  least strength: A

587/tcp open  ssl/smtp  Postfix smtpd
| ssl-enum-ciphers: 
|   TLSv1.2: 
|     ciphers: 
|       TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (dh 2048) - A
|       TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (dh 2048) - A
|       TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (ecdh_x25519) - A
|       TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (ecdh_x25519) - A
|     compressors: 
|       NULL
|     cipher preference: server
|_  least strength: A

993/tcp open  imaps?
| ssl-enum-ciphers: 
|   TLSv1.2: 
|     ciphers: 
|       TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (ecdh_x25519) - A
|       TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (ecdh_x25519) - A
|       TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (dh 4096) - A
|       TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (dh 4096) - A
|     compressors: 
|       NULL
|     cipher preference: server
|_  least strength: A

995/tcp open  pop3s?
| ssl-enum-ciphers: 
|   TLSv1.2: 
|     ciphers: 
|       TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (ecdh_x25519) - A
|       TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (ecdh_x25519) - A
|       TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (dh 4096) - A
|       TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (dh 4096) - A
|     compressors: 
|       NULL
|     cipher preference: server
|_  least strength: A