sendgrid-api-v3

问题 I an using sendgrid for email messaging but get the error below. My code is below the error. Error: Caused by: java.lang.NoSuchFieldError: No static field INSTANCE of type Lorg/apache/http/conn/ssl/AllowAllHostnameVerifier; in class Lorg/apache/http/conn/ssl/AllowAllHostnameVerifier; or its superclasses (declaration of 'org.apache.http.conn.ssl.AllowAllHostnameVerifier' appears in /system/framework/framework.jar:classes3.dex) at org.apache.http.conn.ssl.SSLConnectionSocketFactory.<clinit>

问题 The example code at: https://sendgrid.com/blog/send-email-go-google-app-engine/ My guess this is very old sample code to use sendgrid-go on Google App Engine. I've attempted 4 permutations and failed each time with: https://api.sendgrid.com/v3/mail/send: http.DefaultTransport and http.DefaultClient are not available in App Engine. See https://cloud.google.com/appengine/docs/go/urlfetch/ Here is a minimum hardcoded attempt with some logging: package sendgridgo import( "github.com/sendgrid

问题 Will someone help me with the PHP code to authenticate my Sendgrid account connection and then delete a Marketing Campaign recipient via API? From the help documentation, this appears to be the command line -- DELETE https://api.sendgrid.com/v3/contactdb/lists/{list_id}/recipients/{recipient_id} HTTP/1.1 -- but I can't figure out what to do with it, since it isn't regular PHP code. The only sample code I found pertained to Legacy Newletters (which I got to work) and not contacts used by

问题 Following the USE CASE on SendGrids github does manage to send me the e-mail with the correct template, but the substitutions does apparently not work, and is left blank in the resulting e-mail. Server side: const sgmailer = require("@sendgrid/mail"); sgmailer.setApiKey(process.env.SENDGRID_API_KEY); sgmailer.setSubstitutionWrappers('{{', '}}'); const msg = { to: '...', from: 'sender@example.org', subject: 'Hello world', text: 'Hello plain world!', html: '<p>Hello HTML world!</p>', templateId