Hi again,

Just got around to checking on this and sure enough I've confirmed that adding the upload suggestion skips VRFY in verbose output and successfully delivers mail as expected. Can't spot how to close this issue myself so guess I leave that to you, many thanks for your help resolving this!

Regards,

Saen.

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** [bugs:#1389] SMTP VRFY issued even when server doesn't support**
**Status:** pending-needsinfo
**Created:** Tue Jul 01, 2014 11:56 AM UTC by Sean Atkinson
**Last Updated:** Wed Jul 23, 2014 10:56 AM UTC
**Owner:** Steve Holme
Seems that in curl 7.37 the VRFY SMTP command fails even when a server (such as sendgrid) doesn't list support for it. Verbose output below running on rhel 6.5 linux, suspect this applies since VRFY was introduced in 7.34 too.
* Rebuilt URL to: smtp://smtp.sendgrid.net:587/
* Hostname was NOT found in DNS cache
*   Trying 5.153.47.202...
* Connected to smtp.sendgrid.net (5.153.47.202) port 587 (#0)
< 220 ismtpd-023.ams1.sendgrid.net ESMTP service ready
> EHLO 23
< 250-83.140.21.74
< 250-8BITMIME
< 250-SIZE 20480000
< 250-AUTH=PLAIN LOGIN
< 250-AUTH PLAIN LOGIN
< 250 STARTTLS
> STARTTLS
< 220 Begin TLS negotiation now
* successfully set certificate verify locations:
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* SSL connection using TLSv1.2 / DHE-RSA-AES256-GCM-SHA384
* Server certificate:
* 	 subject: OU=Domain Control Validated; CN=*.smtp.sendgrid.net
* 	 start date: 2014-04-09 23:10:05 GMT
* 	 expire date: 2016-03-28 18:01:05 GMT
* 	 issuer: C=US; ST=Arizona; L=Scottsdale; O=GoDaddy.com, Inc.; OU=http://certs.godaddy.com/repository/; CN=Go Daddy Secure Certificate Authority - G2
* 	 SSL certificate verify ok.
> EHLO 23
< 250-83.140.21.74
< 250-8BITMIME
< 250-SIZE 20480000
< 250-AUTH=PLAIN LOGIN
< 250 AUTH PLAIN LOGIN
> AUTH LOGIN
< 334 VXNlcm5hbWU6
> ZnIyNA==
< 334 UGFzc3dvcmQ6
> amFMYWkzRWN1YTZ1
< 235 Authentication successful.
> VRFY sean_at_fr24.com
< 500 Command not implemented
* Command failed: 500
> QUIT
< 221 See you later
* Closing connection 0
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