Email Error: Could not execute: /usr/sbin/sendmail

hi i tried find the answer before i post here im trying to send bulk email to all my customers but im keep getting this error "Email Error: Could not execute: /usr/sbin/sendmail".

im using sendmail option and when i try sending to with php option "Email Error: Could not instantiate mail function".

i even try using smtp but im keep getting this error "SMTP server error: Sorry 181.224.137.85 . You can not identify your self with the server 550 address. 181.224.137.85 sent apnaycards.com EHLO/HELO greeting".

what should i do now i have added new products to my store and i want send email to all of my customers

aryanshah110:

hi i tried find the answer before i post here im trying to send bulk email to all my customers but im keep getting this error "Email Error: Could not execute: /usr/sbin/sendmail".

im using sendmail option and when i try sending to with php option "Email Error: Could not instantiate mail function".

i even try using smtp but im keep getting this error "SMTP server error: Sorry 181.224.137.85 . You can not identify your self with the server 550 address. 181.224.137.85 sent apnaycards.com EHLO/HELO greeting".

what should i do now i have added new products to my store and i want send email to all of my customers

Has this site been upgraded to ZC 1.5.3 from a previous ZC version or is it a fresh install of ZC 1.5.3?

If it has been upgraded and none of your send email options work then you may want to check your upgraded file system for merging errors. Also check the logs folder for any relevant entries.

If it is a new 1.5.3 installation suggest you get in touch with your host.