Thanks again for your help.
I ran the curl command and got the below:
* Trying 212.54.56.51:465...
* Connected to smtp.virginmedia.com ( redacted )port 465 (#0)
* schannel: disabled automatic use of client certificate
< 220 csmtp2.tb.ukmail.iss.as9143.net cmsmtp ESMTP server ready
> EHLO DESKTOP2
< 250-csmtp2.tb.ukmail.iss.as9143.net hello [redacted], pleased to meet you
< 250-HELP
< 250-AUTH LOGIN PLAIN
< 250-SIZE 52000000
< 250-ENHANCEDSTATUSCODES
< 250-PIPELINING
< 250-8BITMIME
< 250 OK
> AUTH PLAIN
< 334
>[ Redacted]
< 235 2.7.0 SMTP350 Authentication successful for user
;[Redacted]
> HELP
< 214-2.0.0 This is cmsmtp ESMTP service help
214-2.0.0 This is cmsmtp ESMTP service help
< 214-2.0.0 To contact postmaster send email to postmaster@virginmedia.com.
214-2.0.0 To contact postmaster send email to postmaster@virginmedia.com.
< 214-2.0.0 For local information send email to Postmaster at your site.
214-2.0.0 For local information send email to Postmaster at your site.
< 214 2.0.0 end of HELP info
* Connection #0 to host smtp.virginmedia.com left intact
Hopefully I've redacted enough. The output means nothing to me but it appears there is no issue, but is there?
Anything I need to do next?
Thanks again for your time.