Hi, my Abantecart ver. is 1.2.13 (I just upgrade from 1.2.10, 1.2.11 and 1.2.12 ) When Iwas using 1.2.10, it was fine I didn't have any problem.
After I upgrade, and when I try to send message to my customers. I get task error 500.
Also i tried to send myself using 'contact form', I don't receive it. (but I can see it on top of my admin area)
In error log said
2018-10-21 21:08:27 - Error: EHLO not accepted from server!
2018-10-21 21:08:27 - Error: AUTH LOGIN not accepted from server!
2018-10-21 21:08:27 - Error: Username not accepted from server!
2018-10-21 21:08:27 - Error: Password not accepted from server!
2018-10-21 21:08:27 - Error: MAIL FROM not accepted from server!
2018-10-21 21:08:27 - Error: RCPT TO not accepted from server!
2018-10-21 21:08:27 - Error: DATA not accepted from server!
2018-10-21 21:08:27 - Error: DATA not accepted from server!
2018-10-21 21:08:27 - Error: QUIT not accepted from server!
2018-10-21 21:10:43 - Error: EHLO not accepted from server!
2018-10-21 21:10:43 - Error: AUTH LOGIN not accepted from server!
2018-10-21 21:10:43 - Error: Username not accepted from server!
2018-10-21 21:10:43 - Error: Password not accepted from server!
2018-10-21 21:10:43 - Error: MAIL FROM not accepted from server!
2018-10-21 21:10:43 - Error: RCPT TO not accepted from server!
2018-10-21 21:10:43 - Error: DATA not accepted from server!
2018-10-21 21:10:43 - Error: DATA not accepted from server!
2018-10-21 21:10:43 - Error: QUIT not accepted from server!
I contacted my server but they said it is not server's problem...
Please help!