外掛

Gmail SMTP – WordPress SMTP Plugin for Gmail

Easy WP SMTP – WordPress SMTP and Email Logs: Gmail, Office 365, Outlook, Custom SMTP, and more

WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin

Configure SMTP

Custom SMTP: Email Deliverability – FREE & Easy-to-use

WP MAIL SMTP ZM

Mailster Gmail Integration

WP-vCard

WP MailScout

Gmail Mailer

Unique Comment Notify

Third Party Accounts Login

SMTP MAILER WP

Simple Gmail Login

mailgo

MailBase

Mail Queues by PBCI

Invite Friends

CYB Mail

Better Avatars