May any one be able to help to solve this problem???
I had sender verification callout in my server and for a time I didn’t have problem.
But one day I saw SVC response very late to emails from Yahoo and Gmail.
I have a form in my site that users can send mail to me from that. After they push send bottom before this problem immediately the mail sent but after problem for users that have yahoo email its take about 40 seconds to send mails.
If I disable SVC this problem will be solved but I want use SVC and SV.
Thanks