Address in mailbox given does not comply with RFC 2822, 3.6.2. · Issue #382 · swiftmailer/swiftmailer

When i try to send a newsletter i have this error : Address in mailbox given [agence-immobiliere-aaaaaaaa@wanadoo.fr ] does not comply with RFC 2822, 3.6.2. I don't understand what is wrong bec...