ZeptoMail | Sending Emails

Sending Emails
Where can I view bounced emails?
You cannot view the actual content of the emails that have bounced. However, you can view detailed bounce statistics in your ZeptoMail account. Within the account, you can view the type of bounce, date and time of the bounce, Agent, and domain-wise ...
What are the list of attachment formats supported by ZeptoMail?
ZeptoMail does not support the following attachments as extensions: ade, adp, bat, chm, cmd, com, cpl, exe, hta, ins, isp, js, jse, lib, lnk, mde, msc, msp, mst, pif, scr, sct, shb, sys, vb, vbe, vbs, vxd, wsc, wsf, wsh, app, asp, bas, cer, cnt, crt, ...
Why are my emails sent via API failing?
There are several reasons for your email sending via API to fail. Below are some reasons for it: One or more mandatory Fields - "subject", "from", "to", "cc", "bcc", "reply_to" - were set as Empty Value or Invalid Value. The application's JSON ...
Why are emails sent via SMTP failing?
There are several reasons email-sending failures using SMTP. They are: Trying to connect with the SMTP server from an insecure source. Misaligned port and certification. (TLS—>587; SSL—>465) Invalid TLS certificate version. ZeptoMail supports TLS ...
Why is the contact image for my emails displayed as a question mark on Gmail client?
When you configure your domains with ZeptoMail, it is mandatory to complete the DKIM authentication. Sometimes the DKIM records added for your DNS can be altered or removed due to several reasons. For example, when you transfer your domains to a new ...
How to configure API?
You need to add the send mail token to authenticate your API requests. This is a unique token you can generate in your Agent within your ZeptoMail account. Use the send mail token as a header when you call ZeptoMail REST Email Sending API. Example ...
How to configure SMTP?
SMTP Configuration settings for ZeptoMail Server name - smtp.zeptomail.com Port Number, Authentication - 465 (SSL), 587 (TLS) Username - emailapikey (we also support applications that use the From address as the username) Authorization - Password. ...
Why was my account blocked?
ZeptoMail is a dedicated platform for sending transactional emails, such as OTPs, password resets, and onboarding emails. This means we do not support bulk, promotional or marketing emails. Transactional and promotional emails follow different ...
Why am I unable to get DKIM verified?
DNS propagation can take about 24-48 hours, and we recommend that you wait for that time period. In the meantime, you can: Check the propagation status using this tool. Verify if the DKIM record is copied correctly without any spaces or missing ...

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